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Moura CRF, Garcia BCC, de Oliveira Ottone V, Brito PL, Silva TJ, Cantuária VL, de Oliveira DB, Rocha-Vieira E. SARS-CoV-2 genome incidence on the inanimate surface of the material used in the flow of biological samples from the collection point to the testing unit. Ir J Med Sci 2024; 193:1369-1375. [PMID: 37882949 DOI: 10.1007/s11845-023-03554-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 10/16/2023] [Indexed: 10/27/2023]
Abstract
Despite the undeniable effect of vaccination against COVID-19 in reducing disease severity, there is still a need to monitor and limit SARS-CoV-2 circulation and transmission. Thus, this study evaluated the presence of the SARS-CoV-2 genome on the surfaces of highly touched objects manipulated in the biological sample collection point and at the reception unit of the diagnostic laboratory. Surfaces were sampled once a week, for 6 weeks, between September 18th and October 23rd, 2020. RT-qPCR was used for SARS-CoV-2 detection. The coolers for biological sample transportation and the envelope containing the patient form were the objects with the highest occurrence of viral genome detection, although it was detected in each object in only two of the 6 evaluations. And the SARS-CoV-2 genome was detected just once on the vehicle steering wheel, computer keyboard, bathroom door handle and disinfection bench. The virus genome was not detected in any object on three of the six evaluations. And eight was the largest number of surfaces contaminated by the virus genome on one occasion. The reduced incidence of object contamination by the SARS-CoV-2 genome can be explained by the exposure of the objects to environmental conditions and the adoption of virus-spread containment measures. It can also reflect the low incidence of SARS-CoV-2 during the study's development period. Despite the low frequency of SARS-CoV-2 genome detection, our findings show that the virus was present in the environment at some point. This highlights the importance of adopting personal preventive measures to reduce respiratory virus spread, especially during epidemics and outbreaks.
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Affiliation(s)
- Cristiane Rocha Fagundes Moura
- Department of Basic Sciences, Faculty of Basic and Health Sciences, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Bruna Caroline Chaves Garcia
- Multicentric Graduate Program on Physiological Sciences, Faculty of Basic and Health Sciences, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Vinicius de Oliveira Ottone
- Multicentric Graduate Program on Physiological Sciences, Faculty of Basic and Health Sciences, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
- Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Philipe Luan Brito
- Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Thyago José Silva
- Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
- Graduate Program on Health Sciences, Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Vinicius Lopes Cantuária
- Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
- Graduate Program on Health Sciences, Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Danilo Bretas de Oliveira
- Multicentric Graduate Program on Physiological Sciences, Faculty of Basic and Health Sciences, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
- Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
- Graduate Program on Health Sciences, Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil
| | - Etel Rocha-Vieira
- Multicentric Graduate Program on Physiological Sciences, Faculty of Basic and Health Sciences, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
- Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
- Graduate Program on Health Sciences, Faculty of Medicine, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Minas Gerais, Brazil.
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Jirakittayakorn N, Tamboon E, Mitrirattanakul S. Effect of 1% H 2O 2 on Three Salivary Stress Biomarkers, Cortisol, Alpha-Amylase, and sIgA. Int Dent J 2024; 74:343-351. [PMID: 37985342 PMCID: PMC10988260 DOI: 10.1016/j.identj.2023.10.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 10/17/2023] [Accepted: 10/19/2023] [Indexed: 11/22/2023] Open
Abstract
BACKGROUND Due to the COVID-19 pandemic, several associations worldwide have been recommending the use of 1% hydrogen peroxide solution as a preprocedural mouth rinse before dental treatments to reduce viral load in saliva. This protocol is also employed in stress studies, especially in the context of dental treatment that uses salivary biomarkers as an indicator. However, the effect of 1% hydrogen peroxide as mouth rinse on salivary biomarkers remains unclear. OBJECTIVE This study aims to investigate the effects of 1% hydrogen peroxide solution as a preprocedural mouth rinse on 3 salivary stress biomarkers-salivary cortisol, salivary secretory IgA, and salivary α-amylase-both on chemical influence and mechanical irrigation. MATERIALS AND METHODS Ninety healthy participants with confirmed negative Reverse Transcription Polymerase Chain Reaction results for COVID-19 at most 2 days prior to the experiment were included in this study. All participants were randomly allocated into 3 groups: experimental (1% hydrogen peroxide solution), positive control (distilled water), and negative control (no mouth rinse). Saliva samples were collected before and after mouth rinsing with the respective solutions. Salivary biomarkers were analysed using specific enzyme-linked immunosorbent assay kits. RESULTS Salivary cortisol and salivary α-amylase did not significantly differ before and after rinsing, whilst salivary sIgA levels decreased in all 3 groups. Nonetheless, there were no significant differences in the changes of these biomarkers across the 3 groups. CONCLUSIONS This study shows that using 1% hydrogen peroxide solution as a preprocedural mouth rinse for universal precaution does not alter the levels of these 3 salivary biomarkers.
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Affiliation(s)
- Nantawachara Jirakittayakorn
- Faculty of Dentistry, Mahidol University, Bangkok, Thailand; School of Dentistry, King Mongkut's Institute of Technology Ladkrabang, Bangkok, Thailand
| | - Eakapong Tamboon
- Department of Oral Biology, Faculty of Dentistry, Mahidol University, Bangkok, Thailand
| | - Somsak Mitrirattanakul
- Department of Masticatory Science, Faculty of Dentistry, Mahidol University, Bangkok Thailand.
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Patiño LH, Ballesteros N, Muñoz M, Ramírez AL, Castañeda S, Galeano LA, Hidalgo A, Paniz-Mondolfi A, Ramírez JD. Global and genetic diversity of SARS-CoV-2 in wastewater. Heliyon 2024; 10:e27452. [PMID: 38463823 PMCID: PMC10923837 DOI: 10.1016/j.heliyon.2024.e27452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 01/03/2024] [Accepted: 02/28/2024] [Indexed: 03/12/2024] Open
Abstract
The analysis of SARS-CoV-2 in wastewater has enabled us to better understand the spread and evolution of the virus worldwide. To deepen our understanding of its epidemiological and genomic characteristics, we analyzed 10,147 SARS-CoV-2 sequences from 5 continents and 21 countries that were deposited in the GISAID database up until January 31, 2023. Our results revealed over 100 independent lineages of the virus circulating in water samples from March 2020 to January 2023, including variants of interest and concern. We observed four clearly defined periods of global distribution of these variants over time, with one variant being replaced by another. Interestingly, we found that SARS-CoV-2 water-borne sequences from different countries had a close phylogenetic relationship. Additionally, 40 SARS-CoV-2 water-borne sequences from Europe and the USA did not show any phylogenetic relationship with SARS-CoV-2 human sequences. We also identified a significant number of non-synonymous mutations, some of which were detected in previously reported cryptic lineages. Among the countries analyzed, France and the USA showed the highest degree of sequence diversity, while Austria reported the highest number of genomes (6,296). Our study provides valuable information about the epidemiological and genomic diversity of SARS-CoV-2 in wastewater, which can be employed to support public health initiatives and preparedness.
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Affiliation(s)
- Luz Helena Patiño
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
| | - Nathalia Ballesteros
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
| | - Marina Muñoz
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
| | - Angie Lorena Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
| | - Sergio Castañeda
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
| | - Luis Alejandro Galeano
- Grupo de Investigación en Materiales Funcionales y Catálisis (GIMFC), Departamento de Química, Universidad de Nariño, Pasto, 52002, Colombia
| | - Arsenio Hidalgo
- Grupo de Investigación en Salud Pública, Departamento de Matemáticas, Universidad de Nariño, Pasto, 50002, Colombia
| | - Alberto Paniz-Mondolfi
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
| | - Juan David Ramírez
- Centro de Investigaciones en Microbiología y Biotecnología-UR (CIMBIUR), Facultad de Ciencias Naturales, Universidad del Rosario, Bogotá, 111321, Colombia
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Rishan ST, Kline RJ, Rahman MS. New prospects of environmental RNA metabarcoding research in biological diversity, ecotoxicological monitoring, and detection of COVID-19: a critical review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:11406-11427. [PMID: 38183542 DOI: 10.1007/s11356-023-31776-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2023] [Accepted: 12/26/2023] [Indexed: 01/08/2024]
Abstract
Ecosystems are multifaceted and complex systems and understanding their composition is crucial for the implementation of efficient conservation and management. Conventional approaches to biodiversity surveys can have limitations in detecting the complete range of species present. In contrast, the study of environmental RNA (eRNA) offers a non-invasive and comprehensive method for monitoring and evaluating biodiversity across different ecosystems. Similar to eDNA, the examination of genetic material found in environmental samples can identify and measure many species, including ones that pose challenges to traditional methods. However, eRNA is degraded quickly and therefore shows promise in detection of living organisms closer to their actual location than eDNA methods. This method provides a comprehensive perspective on the well-being of ecosystems, facilitating the development of focused conservation approaches to save at-risk species and uphold ecological equilibrium. Furthermore, eRNA has been recognized as a valuable method for the identification of COVID-19 in the environment, besides its established uses in biodiversity protection. The SARS-CoV-2 virus, which is accountable for the worldwide epidemic, releases RNA particles into the surrounding environment via human waste, providing insights into the feasibility of detecting it in wastewater and other samples taken from the environment. In this article, we critically reviewed the recent research activities that use the eRNA method, including its utilization in biodiversity conservation, ecological surveillance, and ecotoxicological monitoring as well as its innovative potential in identifying COVID-19. Through this review, the reader can understand the recent developments, prospects, and challenges of eRNA research in ecosystem management and biodiversity conservation.
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Affiliation(s)
- Sakib Tahmid Rishan
- Biochemistry and Molecular Biology Program, School of Integrative Biological and Chemical Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA
| | - Richard J Kline
- Biochemistry and Molecular Biology Program, School of Integrative Biological and Chemical Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA
- School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA
| | - Md Saydur Rahman
- Biochemistry and Molecular Biology Program, School of Integrative Biological and Chemical Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA.
- School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA.
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Mir S, Mir M. The mRNA vaccine, a swift warhead against a moving infectious disease target. Expert Rev Vaccines 2024; 23:336-348. [PMID: 38369742 DOI: 10.1080/14760584.2024.2320327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Accepted: 02/14/2024] [Indexed: 02/20/2024]
Abstract
INTRODUCTION The rapid development of mRNA vaccines against SARS-CoV-2 has revolutionized vaccinology, offering hope for swift responses to emerging infectious diseases. Initially met with skepticism, mRNA vaccines have proven effective and safe, reducing vaccine hesitancy amid the evolving COVID-19 pandemic. The COVID-19 pandemic has demonstrated that the time required to modify mRNA vaccines to counter new mutant strains is significantly shorter than the time it takes for pathogens to mutate and generate new variants that can thrive in vaccinated populations. This highlights the notion that mRNA vaccine technology appears to be outpacing viruses in the ongoing evolutionary race. AREAS COVERED This review article offers valuable insights into several crucial aspects of mRNA vaccine development and deployment, including the fundamentals of mRNA vaccine design and synthesis, the utilization of delivery systems, considerations regarding vaccine safety, the longevity of the immune response, strategies for modifying the original mRNA vaccine to address emerging mutant strains, as well as addressing vaccine hesitancy and potential approaches to mitigate reluctance. EXPERT OPINION Challenges such as stability, storage, manufacturing complexities, production capacity, allergic reactions, long-term effects, accessibility, and misinformation must be addressed. Despite these hurdles, mRNA vaccine technology holds promise for revolutionizing future vaccination strategies.
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Affiliation(s)
- Sheema Mir
- College of Veterinary Sciences, Western University of Health Sciences, Pomona, CA, USA
| | - Mohammad Mir
- College of Veterinary Sciences, Western University of Health Sciences, Pomona, CA, USA
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Cutrupi F, Cadonna M, Postinghel M, Foladori P. SARS-CoV-2 removal in municipal wastewater treatment plants: Focus on conventional activated sludge, membrane bioreactor and anaerobic digestion. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167434. [PMID: 37774861 DOI: 10.1016/j.scitotenv.2023.167434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 09/25/2023] [Accepted: 09/26/2023] [Indexed: 10/01/2023]
Abstract
This work focuses on the removal of SARS-CoV-2 RNA in the various stages of a full-scale municipal WWTP characterised by two biological processes in parallel: (i) conventional activated sludge (CAS) and (ii) membrane bioreactor (MBR). The monitoring was carried out during the Omicron wave in 2022, a period characterised by a high concentration of SARS-CoV-2 in influent wastewater. The average concentration of SARS-CoV-2 in influent wastewater was 3.7 × 104 GU/L. In the primary sedimentation, the removal of SARS-CoV-2 was not appreciable. The largest log removal value of SARs-CoV-2 occurred in the biological stages, with 1.8 ± 0.9 and 2.2 ± 0.7 logs in CAS and MBR systems. The mean concentrations of SARS-CoV-2 in the CAS and MBR effluents were 6.8 × 102 GU/L and 6.4 × 102 GU/L, respectively. The MBR effluent showed more negative samples, because small particles are retained by membrane and cake layer. The analysis of the different types of sludge confirmed the accumulation of SARS-CoV-2 in primary (5.2 × 104 GU/L) and secondary sludge (3.5 × 104 GU/L), due to the affinity of enveloped viruses towards biosolids. A SARS-CoV-2 concentration in the digested sludge equal to 4.8 × 104 GU/L denotes a negligible reduction in the mesophilic anaerobic digester at temperature of 31-33 °C.
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Affiliation(s)
- Francesca Cutrupi
- Center Agriculture Food Environment (C3A) - University of Trento, via Edmund Mach 1, 38098 San Michele all' Adige, TN, Italy
| | - Maria Cadonna
- ADEP - Agenzia per la Depurazione, Autonomous Province of Trento, via Gilli, n. 3, 38121 Trento, Italy
| | - Mattia Postinghel
- ADEP - Agenzia per la Depurazione, Autonomous Province of Trento, via Gilli, n. 3, 38121 Trento, Italy
| | - Paola Foladori
- Department of Civil, Environmental and Mechanical Engineering (DICAM) - University of Trento, via Mesiano, n. 77, 38123 Trento, Italy.
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Panova N, Allan NP, Rubas NC, Lee RH, Kunihiro BP, Umeda L, Peres R, Juarez R, Maunakea AK. Sequencing the SARS-CoV-2 Genome from Stool Samples of Post-acute Cases Implicates a Novel Mutation Associated with Reduced Antibody Neutralization. EUROPEAN JOURNAL OF BIOMEDICAL RESEARCH 2023; 2:17-23. [PMID: 37525697 PMCID: PMC10389300 DOI: 10.24018/ejbiomed.2023.2.3.66] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Whole-genome SARS-CoV-2 sequencing tools are crucial for tracking the COVID-19 pandemic. However, current techniques require sampling of actively infectious patients following COVID-19 testing to recover enough SARS-CoV-2 RNA from the nasopharyngeal passage, which rapidly clears during the first few weeks of infection. A prospective assessment of the viral genome sourced from recovered non-infectious patients would greatly facilitate epidemiological tracking. Thus, we developed a protocol to isolate and sequence the genome of SARS-CoV-2 from stool samples of post-acute SARS-CoV-2 patients, at timepoints ranging from 10-120 days after onset of symptoms. Stool samples were collected from patients at varying timepoints post-convalescence, and viral DNA was isolated and sequenced using the QIAamp Viral RNA Mini Kit (Qiagen Inc.) and Ion Ampliseq™ Library Kit Plus (Life Technologies Corporation). Capacity of neutralizing antibodies in patient plasma was tested using a Luminex panel (Coronavirus Ig Total Human 11-Plex ProcartaPlex™ Panel, ThermoFisher). Of 64 samples obtained from post-acute patients, 21 (32.8%) yielded sufficient material for whole-genome sequencing. This allowed us to identify widely divergent phylogenetic relativity of the SARS-CoV-2 genome from post-acute patients living in the same households and infected around the same time. Additionally, we observed that individuals who recovered from infection expressed varying degrees of antibodies against SARS-CoV-2 structural proteins that corresponded to distinct variants. Interestingly, we identified a novel point mutation in the viral genome where infected patients expressed antibodies with a significantly reduced capacity to neutralize the virus in vitro relative to that of those infected with the wild-type strain. Altogether, we demonstrate a protocol to successfully sequence the SARS-CoV-2 genome from stool samples from patients up to 4 months post-infection, which can be applied to studies that assess the relationship between variants and immune response post-hoc and safe monitoring of the SARS-CoV-2 genome during the pandemic.
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Ma L, Zhang W, Yin L, Li Y, Zhuang J, Shen L, Man S. A SERS-signalled, CRISPR/Cas-powered bioassay for amplification-free and anti-interference detection of SARS-CoV-2 in foods and environmental samples using a single tube-in-tube vessel. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131195. [PMID: 36963196 PMCID: PMC10005974 DOI: 10.1016/j.jhazmat.2023.131195] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 05/03/2023]
Abstract
The pandemic of COVID-19 creates an imperative need for sensitive and portable detection of SARS-CoV-2. We devised a SERS-read, CRISPR/Cas-powered nanobioassay, termed as OVER-SARS-CoV-2 (One-Vessel Enhanced RNA test on SARS-CoV-2), which enabled supersensitive, ultrafast, accurate and portable detection of SARS-CoV-2 in a single vessel in an amplification-free and anti-interference manner. The SERS nanoprobes were constructed by conjugating gold nanoparticles with Raman reporting molecular and single-stranded DNA (ssDNA) probes, whose aggregation-to-dispersion changes can be finely tuned by target-activated Cas12a though trans-cleavage of linker ssDNA. As such, the nucleic acid signals could be dexterously converted and amplified to SERS signals. By customizing an ingenious vessel, the steps of RNA reverse transcription, Cas12a trans-cleavage and SERS nanoprobes crosslinking can be integrated into a single and disposal vessel. It was proved that our proposed nanobioassay was able to detect SARS-CoV-2 as low as 200 copies/mL without any pre-amplification within 45 min. In addition, the proposed nanobioassay was confirmed by clinical swab samples and challenged for SARS-CoV-2 detection in simulated complex environmental and food samples. This work enriches the arsenal of CRISPR-based diagnostics (CRISPR-Dx) and provides a novel and robust platform for SARS-CoV-2 decentralized detection, which can be put into practice in the near future.
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Affiliation(s)
- Long Ma
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition, Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China.
| | - Wenlu Zhang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition, Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Lijuan Yin
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition, Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Yaru Li
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition, Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Jianwen Zhuang
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition, Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China
| | - Liang Shen
- Xiangyang Central Hospital, Affiliated Hospital of Hubei University of Arts and Science, Xiangyang 441000, China.
| | - Shuli Man
- State Key Laboratory of Food Nutrition and Safety, Key Laboratory of Industrial Microbiology, Ministry of Education, Tianjin Key Laboratory of Industry Microbiology, National and Local United Engineering Lab of Metabolic Control Fermentation Technology, China International Science and Technology Cooperation Base of Food Nutrition, Safety and Medicinal Chemistry, College of Biotechnology, Tianjin University of Science & Technology, Tianjin 300457, China.
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Parida VK, Saidulu D, Bhatnagar A, Gupta AK, Afzal MS. A critical assessment of SARS-CoV-2 in aqueous environment: Existence, detection, survival, wastewater-based surveillance, inactivation methods, and effective management of COVID-19. CHEMOSPHERE 2023; 327:138503. [PMID: 36965534 PMCID: PMC10035368 DOI: 10.1016/j.chemosphere.2023.138503] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2023] [Revised: 03/08/2023] [Accepted: 03/22/2023] [Indexed: 06/01/2023]
Abstract
In early January 2020, the causal agent of unspecified pneumonia cases detected in China and elsewhere was identified as a novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and was the major cause of the COVID-19 outbreak. Later, the World Health Organization (WHO) proclaimed the COVID-19 pandemic a worldwide public health emergency on January 30, 2020. Since then, many studies have been published on this topic. In the present study, bibliometric analysis has been performed to analyze the research hotspots of the coronavirus. Coronavirus transmission, detection methods, potential risks of infection, and effective management practices have been discussed in the present review. Identification and quantification of SARS-CoV-2 viral loads in various water matrices have been reviewed. It was observed that the viral shedding through urine and feces of COVID-19-infected patients might be a primary mode of SARS-CoV-2 transmission in water and wastewater. In this context, the present review highlights wastewater-based epidemiology (WBE)/sewage surveillance, which can be utilized as an effective tool for tracking the transmission of COVID-19. This review also emphasizes the role of different disinfection techniques, such as chlorination, ultraviolet irradiation, and ozonation, for the inactivation of coronavirus. In addition, the application of computational modeling methods has been discussed for the effective management of COVID-19.
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Affiliation(s)
- Vishal Kumar Parida
- School of Environmental Science and Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Duduku Saidulu
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
| | - Amit Bhatnagar
- Department of Separation Science, LUT School of Engineering Science, LUT University, Sammonkatu 12, Mikkeli FI-50130, Finland.
| | - Ashok Kumar Gupta
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
| | - Mohammad Saud Afzal
- Department of Civil Engineering, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India
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Javvadi Y, Mohan SV. Understanding the distribution of antibiotic resistance genes in an urban community using wastewater-based epidemiological approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 868:161419. [PMID: 36623646 DOI: 10.1016/j.scitotenv.2023.161419] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 01/02/2023] [Accepted: 01/02/2023] [Indexed: 06/17/2023]
Abstract
The study aimed to evaluate the community-wide antimicrobial resistance (AMR) profile of an urban setting using the culture-independent wastewater-based epidemiological surveillance (WBE) approach. The domestic wastewater sample was collected at the converging point of the drain connecting the Sewage Treatment Plant (STP). The collected water sample was evaluated for the presence of 125 antibiotic resistance genes (ARGs) and 13 mobile genetic elements (MGEs, 5 integrons and 8 transposons). Antibiotic residues and the composition of bacterial communities were also examined. Community's sewage showed a diverse resistance pattern, with the positive detection of targeted ARGs, notably aph, aadA1, and strB being particularly abundant. Resistance to aminoglycoside and trimethoprim classes was prevalent, followed by chloramphenicol, sulfonamide, and β-lactams. According to the microbial diversity assessment, Proteobacteria, Bacteroidetes, Firmicutes, and Chloroflexi were abundant phyla observed, while Helicobacteraceae, Pseudomonadaceae, and Moraxellaceae were prevalent families. The study provided comprehensive baseline information of ARGs on a community scale and will be of use for ARG prevention and management.
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Affiliation(s)
- Yamini Javvadi
- Bioengineering and Environmental Science Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - S Venkata Mohan
- Bioengineering and Environmental Science Lab, Department of Energy and Environmental Engineering, CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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Câmara AB, Bonfante J, da Penha MG, Cassini STA, de Pinho Keller R. Detecting SARS-CoV-2 in sludge samples: A systematic review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 859:160012. [PMID: 36368397 PMCID: PMC9643039 DOI: 10.1016/j.scitotenv.2022.160012] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 11/02/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
AIMS This paper aims to review the main sludge concentration methods used for SARS-CoV-2 detection in sewage sludge samples, discussing the main methods and sample volume related to increased viral load. In addition, we aim to evaluate the countries associated with increased positivity rates for SARS-CoV-2 in sludge samples. METHODS This systematic methodology was registered in PROSPERO and followed the PRISMA guidelines. The search was carried out in the SciELO, PubMed/MEDLINE, Lilacs, and Google Scholar databases in January-March 2022. Quantitative studies with conclusive results were included in this review. Concentration methods (polyethylene glycol (PEG), PEG + NaCl, gravity thickening, skimmed milk flocculation, ultrafiltration, filtration using charged filters, primary sedimentation, and anaerobic digestion), as well as detection methods (RTqPCR and reverse transcription droplet digital PCR assay) were evaluated in this review. The SPSS v23 software program was used for statistical analysis. RESULTS PEG (with or without NaCl addition) and gravity thickening were the most used sludge concentration methods to detect SARS-CoV-2. The main method associated with increased viral load (>2,02 × 10^4 copies/mL) was PEG + NaCl (p < 0.05, Mann-Whitney test). The average positivity rate for SARS-CoV-2 in sludge samples was 61 %, and a correlation was found between the sludge volume and the viral load (ro 0.559, p = 0.03, Spearman correlation). CONCLUSION The sludge volume may influence the SARS-CoV-2 load since the virus can adhere to solid particles in these samples. Other factors may be associated with SARS-CoV-2 load, including the methods used; especially PEG + NaCl may result in a high viral load detected in sludge, and may provide a suitable pH for SARS-CoV-2 recovery.
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Affiliation(s)
- Alice Barros Câmara
- Sanitation Laboratory, Department of Environmental Engineering, Universidade Federal do Espírito Santo, Ave. Fernando Ferrari, 515, Goiabeiras, 29075051 Vitória, ES, Brazil.
| | - Júlia Bonfante
- Sanitation Laboratory, Department of Environmental Engineering, Universidade Federal do Espírito Santo, Ave. Fernando Ferrari, 515, Goiabeiras, 29075051 Vitória, ES, Brazil
| | - Marília Gueler da Penha
- Sanitation Laboratory, Department of Environmental Engineering, Universidade Federal do Espírito Santo, Ave. Fernando Ferrari, 515, Goiabeiras, 29075051 Vitória, ES, Brazil
| | - Sérvio Túlio Alves Cassini
- Sanitation Laboratory, Department of Environmental Engineering, Universidade Federal do Espírito Santo, Ave. Fernando Ferrari, 515, Goiabeiras, 29075051 Vitória, ES, Brazil
| | - Regina de Pinho Keller
- Sanitation Laboratory, Department of Environmental Engineering, Universidade Federal do Espírito Santo, Ave. Fernando Ferrari, 515, Goiabeiras, 29075051 Vitória, ES, Brazil
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12
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Chen W, Yang H, Peng C, Wu T. Resolving the "health vs environment" dilemma with sustainable disinfection during the COVID-19 pandemic. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:24737-24741. [PMID: 36622607 PMCID: PMC9838326 DOI: 10.1007/s11356-023-25167-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2022] [Accepted: 01/02/2023] [Indexed: 05/21/2023]
Abstract
The overuse of disinfection during the COVID-19 pandemic leads to an emerging "health versus environment" dilemma that humans have to face. Irresponsible and unnecessary disinfection should be avoided, while comprehensive evaluation of the health and environmental impacts of different disinfectants is urgently needed. From this discussion, we reach a tentative conclusion that hydrogen peroxide is a green disinfectant. Its on-demand production enables a circular economy model to solve the storage issues. Water, oxygen, and electrons are the only feedstock to generate H2O2. Upon completion of disinfection, H2O2 is rapidly converted back into water and oxygen. This model adopts several principles of green chemistry to ensure overall sustainability along the three stages of its whole life cycle, i.e., production, disinfection, and decomposition. Physical methods, particularly UV irradiation, also provide sustainable disinfection with minimal health and environmental impacts.
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Affiliation(s)
- Wanru Chen
- School of Resource and Environmental Science, Wuhan University, 299 Bayi Road, Wuhan, 430072, China
| | - Hangqi Yang
- School of Resource and Environmental Science, Wuhan University, 299 Bayi Road, Wuhan, 430072, China
| | - Chuang Peng
- School of Resource and Environmental Science, Wuhan University, 299 Bayi Road, Wuhan, 430072, China.
| | - Tao Wu
- Key Laboratory of Carbonaceous Wastes Processing and Process Intensification of Zhejiang Province, The University of Nottingham Ningbo, 199 Taikang East Road, Ningbo, 315100, China
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13
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Dehghani S, SeyedAlinaghi S, Karimi A, Afroughi F, Abshenas S, Azad K, Tantuoyir MM, Mohammadi P, Ghavam SM, Mojdeganlou H, Dadras O, Nazarian N, Vahedi F, Barzegary A, Mehraeen E. Evaluating the effects of air disinfectants in decontamination of COVID-19 aerosols. Health Sci Rep 2023; 6:e1042. [PMID: 36644313 PMCID: PMC9831143 DOI: 10.1002/hsr2.1042] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 01/12/2023] Open
Abstract
Introduction Airborne transmission is the most crucial mode of COVID-19 transmission. Therefore, disinfecting the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) aerosols float can have important implications in limiting COVID-19 transmission. Herein, we aimed to review the studies that utilized various disinfectants to decontaminate and inactivate the SARS-CoV-2 aerosols. Methods This study was a review that studied related articles published between December 1, 2019 and August 23, 2022. We searched the online databases of PubMed, Scopus, Web of Science, Cochrane, on August 23, 2021. The studies were downloaded into the EndNote software, duplicates were removed, and then the studies were screened based on the inclusion/exclusion criteria. The screening process involved two steps; first, the studies were screened based on their title and abstract and then their full texts. The included studies were used for the qualitative analysis. Results From 664 retrieved records, only 31 met the inclusion criteria and were included in the final qualitative analysis. Various materials like Ozone, H2O2, alcohol, and TiO2 and methods like heating and using Ultraviolet were described in these studies to disinfect places contaminated by COVID-19. It appeared that the efficacy of these disinfectants varies considerably depending on the situation, time, and ultimately their mode of application. Conclusion Following reliable protocols in combination with the proper selection of disinfectant agents for each purpose would serve to achieve desired elimination of the SARS-CoV-2 transmission.
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Affiliation(s)
- Soheil Dehghani
- School of medicineTehran University of Medical SciencesTehranIran,Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High Risk BehaviorsTehran University of Medical SciencesTehranIran
| | - SeyedAhmad SeyedAlinaghi
- Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High Risk BehaviorsTehran University of Medical SciencesTehranIran
| | - Amirali Karimi
- School of medicineTehran University of Medical SciencesTehranIran
| | - Fatemeh Afroughi
- Pars HospitalIran University of Medical SciencesTehranIran,School of medicineIslamic Azad UniversityTehranIran
| | - Shayan Abshenas
- School of medicineKashan University of Medical SciencesKashanIran
| | - Kimia Azad
- School of medicineIslamic Azad UniversityTehranIran
| | - Marcarious M. Tantuoyir
- School of medicineTehran University of Medical SciencesTehranIran,Biomedical Engineering UnitUniversity of Ghana Medical Center (UGMC)AccraGhana
| | - Parsa Mohammadi
- School of medicineTehran University of Medical SciencesTehranIran
| | - Seyed Mohammad Ghavam
- Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High Risk BehaviorsTehran University of Medical SciencesTehranIran
| | - Hengameh Mojdeganlou
- Department of PathologyThe Johns Hopkins University School of MedicineBaltimoreMarylandUSA
| | - Omid Dadras
- Iranian Research Center for HIV/AIDS, Iranian Institute for Reduction of High Risk BehaviorsTehran University of Medical SciencesTehranIran,Department of Global Public Health and Primary CareUniversity of BergenBergenNorway
| | | | - Farzin Vahedi
- School of medicineTehran University of Medical SciencesTehranIran
| | | | - Esmaeil Mehraeen
- Department of Health Information TechnologyKhalkhal University of Medical SciencesKhalkhalIran
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14
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Amahmid O, El Guamri Y, Rakibi Y, Ouizat S, Yazidi M, Razoki B, Kaid Rassou K, Touloun O, Asmama S, Bouhoum K, Belghyti D. Assessment of SARS-CoV-2 Stability in human and environmental matrices, and potential hazards. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2023; 33:1-14. [PMID: 34702090 DOI: 10.1080/09603123.2021.1996541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 10/18/2021] [Indexed: 06/13/2023]
Abstract
In the context of the ongoing pandemic of COVID-19, SARS-CoV-2 was detected in human excreta and environmental matrices. The occurrence of SARS-CoV-2 in environmental compartments raises questions on its fate and stability in these matrices and its potential to spread in the exposed communities. This review focused on the stability of the SARS-CoV-2 in human excreta, wastewater, soils, crops, and other environmental matrices, that may be reached through human excreta and sewage products spreading. Little is known about the persistence and survival of SARS-CoV-2 in the environment. Up to now sewage sludge, soil and crops are seldom investigated implying the convenience of considering future researches focusing on SARS-CoV-2 in soils receiving wastewater and sewage sludge, as well as on grown crops. Information regarding SARS-CoV-2 persistence in environmental media is crucial to establish and implement effective policies and measures for mitigating the transmission of COVID-19 and tackling eventual future outbreaks.
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Affiliation(s)
- Omar Amahmid
- Department of Life and Earth Sciences, (Biology /Geology Research Units), Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
- Department of Biology, Laboratory of Water, Biodiversity and Climatic Change, Parasitology and Aquatic Biodiversity Research Team, Faculty of Sciences-Semlalia, Cadi Ayyad Univesity, Marrakesh Morocco
- Department of Biology, Laboratory of Natural Resources and Sustainable Development, Faculty of Sciences Kenitra, Ibn Tofail University, Morocco
| | - Youssef El Guamri
- Department of Life and Earth Sciences, (Biology /Geology Research Units), Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
- Department of Biology, Laboratory of Natural Resources and Sustainable Development, Faculty of Sciences Kenitra, Ibn Tofail University, Morocco
| | - Youness Rakibi
- Department of Life and Earth Sciences, (Biology /Geology Research Units), Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
- Engineering Laboratory of Organometallic, Molecular Materials, and Environment (Limome), Faculty of Sciences Dhar El Mahraz, Sidi Mohammed Ben Abdellah University, Fez Morocco
| | - Saadia Ouizat
- Chemistry and Didactics Unit, Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
| | - Mohamed Yazidi
- Department of Life and Earth Sciences, (Biology /Geology Research Units), Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
| | - Bouchra Razoki
- Department of Life and Earth Sciences, (Biology /Geology Research Units), Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
| | - Khadija Kaid Rassou
- Department of Life and Earth Sciences, (Biology /Geology Research Units), Regional Centre for Careers of Education and Training Crmef Marrakech-Safi, Marrakesh Morocco
| | - Oulaid Touloun
- Polyvalent Laboratory in Research and Development, Department of Biology, Polydisciplinary Faculty, Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Souad Asmama
- Laboratory of Biomedical Analysis, University Hospital Centre Mohammad Vi, Marrakech, Morocco
| | - Khadija Bouhoum
- Department of Biology, Laboratory of Water, Biodiversity and Climatic Change, Parasitology and Aquatic Biodiversity Research Team, Faculty of Sciences-Semlalia, Cadi Ayyad Univesity, Marrakesh Morocco
| | - Driss Belghyti
- Department of Biology, Laboratory of Natural Resources and Sustainable Development, Faculty of Sciences Kenitra, Ibn Tofail University, Morocco
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15
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Qin K, Holguin K, Huang J, Mohammadiroudbari M, Chen F, Yang Z, Xu G, Luo C. A Fast-Charging and High-Temperature All-Organic Rechargeable Potassium Battery. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2106116. [PMID: 36316243 PMCID: PMC9731705 DOI: 10.1002/advs.202106116] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 06/26/2022] [Indexed: 06/16/2023]
Abstract
Developing fast-charging, high-temperature, and sustainable batteries is critical for the large-scale deployment of energy storage devices in electric vehicles, grid-scale electrical energy storage, and high temperature regions. Here, a transition metal-free all-organic rechargeable potassium battery (RPB) based on abundant and sustainable organic electrode materials (OEMs) and potassium resources for fast-charging and high-temperature applications is demonstrated. N-doped graphene and a 2.8 m potassium hexafluorophosphate (KPF6 ) in diethylene glycol dimethyl ether (DEGDME) electrolyte are employed to mitigate the dissolution of OEMs, enhance the electrode conductivity, accommodate large volume change, and form stable solid electrolyte interphase in the all-organic RPB. At room temperature, the RPB delivers a high specific capacity of 188.1 mAh g-1 at 50 mA g-1 and superior cycle life of 6000 and 50000 cycles at 1 and 5 A g-1 , respectively, demonstrating an ultra-stable and fast-charging all-organic battery. The impressive performance at room temperature is extended to high temperatures, where the high-mass-loading (6.5 mg cm-2 ) all-organic RPB exhibits high-rate capability up to 2 A g-1 and a long lifetime of 500 cycles at 70-100 °C, demonstrating a superb fast-charging and high-temperature battery. The cell configuration demonstrated in this work shows great promise for practical applications of sustainable batteries at extreme conditions.
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Affiliation(s)
- Kaiqiang Qin
- Department of Chemistry and BiochemistryGeorge Mason UniversityFairfaxVA22030USA
| | - Kathryn Holguin
- Department of Chemistry and BiochemistryGeorge Mason UniversityFairfaxVA22030USA
| | - Jinghao Huang
- Department of Chemistry and BiochemistryGeorge Mason UniversityFairfaxVA22030USA
| | | | - Fu Chen
- Department of Chemistry and BiochemistryUniversity of MarylandCollege ParkMD20742USA
| | - Zhenzhen Yang
- Chemical Sciences and Engineering DivisionArgonne National LaboratoryLemontIL60439USA
| | - Gui‐Liang Xu
- Chemical Sciences and Engineering DivisionArgonne National LaboratoryLemontIL60439USA
| | - Chao Luo
- Department of Chemistry and BiochemistryGeorge Mason UniversityFairfaxVA22030USA
- Quantum Science and Engineering CenterGeorge Mason UniversityFairfaxVA22030USA
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16
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Mostafa M, Barhoum A, Sehit E, Gewaid H, Mostafa E, Omran MM, Abdalla MS, Abdel-Haleem FM, Altintas Z, Forster RJ. Current trends in COVID-19 diagnosis and its new variants in physiological fluids: Surface antigens, antibodies, nucleic acids, and RNA sequencing. Trends Analyt Chem 2022; 157:116750. [PMID: 36060607 PMCID: PMC9425703 DOI: 10.1016/j.trac.2022.116750] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 06/21/2022] [Accepted: 07/24/2022] [Indexed: 12/15/2022]
Abstract
Rapid, highly sensitive, and accurate virus circulation monitoring techniques are critical to limit the spread of the virus and reduce the social and economic burden. Therefore, point-of-use diagnostic devices have played a critical role in addressing the outbreak of COVID-19 (SARS-CoV-2) viruses. This review provides a comprehensive overview of the current techniques developed for the detection of SARS-CoV-2 in various body fluids (e.g., blood, urine, feces, saliva, tears, and semen) and considers the mutations (i.e., Alpha, Beta, Gamma, Delta, Omicron). We classify and comprehensively discuss the detection methods depending on the biomarker measured (i.e., surface antigen, antibody, and nucleic acid) and the measurement techniques such as lateral flow immunoassay (LFIA), enzyme-linked immunosorbent assay (ELISA), reverse transcriptase-polymerase chain reaction (RT-PCR), reverse transcription loop-mediated isothermal amplification (RT-LAMP), microarray analysis, clustered regularly interspaced short palindromic repeats (CRISPR) and biosensors. Finally, we addressed the challenges of rapidly identifying emerging variants, detecting the virus in the early stages of infection, the detection sensitivity, selectivity, and specificity, and commented on how these challenges can be overcome in the future.
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Affiliation(s)
- Menna Mostafa
- NanoStruc Research Group, Chemistry Department, Faculty of Science, Helwan University, 11795, Cairo, Egypt
| | - Ahmed Barhoum
- National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, D09 V209, Dublin, Ireland
| | - Ekin Sehit
- Institute of Chemistry, Technical University of Berlin, 10623, Berlin, Germany
- Institute of Materials Science, Faculty of Engineering, Kiel University, 24143, Kiel, Germany
| | - Hossam Gewaid
- School of Biochemistry and Immunology, Trinity Biomedical Sciences Institute, Trinity College Dublin, The University of Dublin, 152-160 Pearse St, Dublin, D02R590, Ireland
| | - Eslam Mostafa
- Borg Pharmaceutical Industries, Refaat Hassan St, Al Abageyah, El-Khalifa, Cairo Governorate, 16, Egypt
| | - Mohamed M Omran
- Chemistry Department, Faculty of Science, Helwan University, 11795, Cairo, Egypt
| | - Mohga S Abdalla
- Chemistry Department, Faculty of Science, Helwan University, 11795, Cairo, Egypt
| | - Fatehy M Abdel-Haleem
- Chemistry Department, Faculty of Science, Cairo University, 12613, Giza, Egypt
- Center for Hazards Mitigation, Environmental Studies and Research (CHMESR), Cairo University, 12613, Giza, Egypt
| | - Zeynep Altintas
- Institute of Chemistry, Technical University of Berlin, 10623, Berlin, Germany
- Institute of Materials Science, Faculty of Engineering, Kiel University, 24143, Kiel, Germany
| | - Robert J Forster
- National Centre for Sensor Research, School of Chemical Sciences, Dublin City University, D09 V209, Dublin, Ireland
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17
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A safe haven of SARS-CoV-2 in the environment: Prevalence and potential transmission risks in the effluent, sludge, and biosolids. GEOSCIENCE FRONTIERS 2022; 13. [PMID: 37521134 PMCID: PMC8861126 DOI: 10.1016/j.gsf.2022.101373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
The novel coronavirus, SARS-CoV-2, which has caused millions of death globally is recognized to be unstable and recalcitrant in the environment, especially in the way it has been evolving to form new and highly transmissible variants. Of particular concerns are human-environment interactions and the handling and reusing the environmental materials, such as effluents, sludge, or biosolids laden with the SARS-CoV-2 without adequate treatments, thereby suggesting potential transmission and health risks. This study assesses the prevalence of SARS-CoV-2 RNA in effluents, sludge, and biosolids. Further, we evaluate the environmental, ecological, and health risks of reusing these environmental materials by wastewater/sludge workers and farmers. A systematic review of literature from the Scopus database resulted in a total of 21 articles (11 for effluents, 8 for sludge, and 2 for biosolids) that met the criteria for meta-analysis, which are then subdivided into 30 meta-analyzed studies. The prevalence of SAR-CoV-2 RNA in effluent and sludge based on random-effect models are 27.51 and 1012.25, respectively, with a 95% CI between 6.14 and 48.89 for the effluent, and 104.78 and 1019.71 for the sludge. However, the prevalence of SARS-CoV-2 RNA in the biosolids based on the fixed-effect model is 30.59, with a 95% CI between 10.10 and 51.08. The prevalence of SARS-CoV-2 RNA in environmental materials indicates the inefficiency in some of the treatment systems currently deployed to inactivate and remove the novel virus, which could be a potential health risk concern to vulnerable wastewater workers in particular, and the environmental and ecological issues for the population at large. This timely review portends the associated risks in handling and reusing environmental materials without proper and adequate treatments.
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18
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Mousazadeh M, Kabdaşlı I, Khademi S, Sandoval MA, Moussavi SP, Malekdar F, Gilhotra V, Hashemi M, Dehghani MH. A critical review on the existing wastewater treatment methods in the COVID-19 era: What is the potential of advanced oxidation processes in combatting viral especially SARS-CoV-2? JOURNAL OF WATER PROCESS ENGINEERING 2022; 49:103077. [PMID: 35990175 PMCID: PMC9381433 DOI: 10.1016/j.jwpe.2022.103077] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Revised: 07/19/2022] [Accepted: 08/15/2022] [Indexed: 06/01/2023]
Abstract
The COVID-19 epidemic has put the risk of virus contamination in water bodies on the horizon of health authorities. Hence, finding effective ways to remove the virus, especially SARS-CoV-2, from wastewater treatment plants (WWTPs) has emerged as a hot issue in the last few years. Herein, this study first deals with the fate of SARS-CoV-2 genetic material in WWTPs, then critically reviews and compares different wastewater treatment methods for combatting COVID-19 as well as to increase the water quality. This critical review sheds light the efficiency of advanced oxidation processes (AOPs) to inactivate virus, specially SARS-CoV-2 RNA. Although several physicochemical treatment processes (e.g. activated sludge) are commonly used to eliminate pathogens, AOPs are the most versatile and effective virus inactivation methods. For instance, TiO2 is the most known and widely studied photo-catalyst innocuously utilized to degrade pollutants as well as to photo-induce bacterial and virus disinfection due to its high chemical resistance and efficient photo-activity. When ozone is dissolved in water and wastewater, it generates a wide spectrum of the reactive oxygen species (ROS), which are responsible to degrade materials in virus membranes resulting in destroying the cell wall. Furthermore, electrochemical advanced oxidation processes act through direct oxidation when pathogens react at the anode surface or by indirect oxidation through oxidizing species produced in the bulk solution. Consequently, they represent a feasible choice for the inactivation of a wide range of pathogens. Nonetheless, there are some challenges with AOPs which should be addressed for application at industrial-scale.
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Affiliation(s)
- Milad Mousazadeh
- Social Determinants of Health Research Center, Research Institute for Prevention of Non-Communicable Diseases, Qazvin University of Medical Sciences, Qazvin, Iran
- Department of Environmental Health Engineering, School of Health, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Işık Kabdaşlı
- İstanbul Technical University, Civil Engineering Faculty, Environmental Engineering Department, Ayazağa Campus, 34469 Maslak, İstanbul, Turkey
| | - Sara Khademi
- Health, Safety, and Environment Specialist, North Drilling Company, Ahvaz, Iran
| | - Miguel Angel Sandoval
- Universidad de Santiago de Chile USACH, Facultad de Química y Biología, Departamento de Química de los Materiales, Laboratorio de Electroquímica Medio Ambiental, LEQMA, Casilla 40, Correo 33, Santiago, Chile
- Universidad de Guanajuato, División de Ciencias Naturales y Exactas, Departamento de Ingeniería Química, Noria Alta S/N, 36050, Guanajuato, Guanajuato, Mexico
| | | | - Fatemeh Malekdar
- Department of Foot and Mouth Disease Vaccine Production, Razi Vaccine and Serum Research Institute, Karaj, Iran
| | - Vishakha Gilhotra
- Department of Botanical and Environmental Sciences, Guru Nanak Dev University, Amritsar, Punjab, India
| | - Marjan Hashemi
- Environmental and Occupational Hazards Control Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Hadi Dehghani
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Institute for Environmental Research, Center for Solid Waste Research, Tehran University of Medical Sciences, Tehran, Iran
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19
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Ghosh S, Mukherjee R, Mahajan VS, Boucau J, Pillai S, Haldar J. Permanent, Antimicrobial Coating to Rapidly Kill and Prevent Transmission of Bacteria, Fungi, Influenza, and SARS-CoV-2. ACS APPLIED MATERIALS & INTERFACES 2022; 14:42483-42493. [PMID: 36073910 DOI: 10.1021/acsami.2c11915] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Microbial adhesion and contamination on shared surfaces can lead to life-threatening infections with serious impacts on public health, economy, and clinical practices. The traditional use of chemical disinfectants for sanitization of surfaces, however, comes with its share of health risks, such as hazardous effects on the eyes, skin, and respiratory tract, carcinogenicity, as well as environmental toxicity. To address this, we have developed a nonleaching quaternary small molecule (QSM)-based sprayable coating which can be fabricated on a wide range of surfaces such as nylon, polyethylene, surgical mask, paper, acrylate, and rubber in a one-step, photocuring technique. This contact-active coating killed pathogenic bacteria and fungi including drug-resistant strains of Staphylococcus aureus and Candida albicans within 15-30 min of contact. QSM coatings withstood multiple washes, highlighting their durability. Interestingly, the coated surfaces exhibited rapid killing of pathogens, leading to the prevention of their transmission upon contact. The coating showed membrane disruption of bacterial cells in fluorescence and electron microscopic investigations. Along with bacteria and fungi, QSM-coated surfaces also showed the complete killing of high loads of influenza (H1N1) and SARS-CoV-2 viruses within 30 min of exposure. To our knowledge, this is the first report of a coating for multipurpose materials applied in high-touch public places, hospital equipment, and clinical consumables, rapidly killing drug-resistant bacteria, fungi, influenza virus, and SARS-CoV-2.
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Affiliation(s)
- Sreyan Ghosh
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka 560064, India
| | - Riya Mukherjee
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka 560064, India
| | - Vinay S Mahajan
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Julie Boucau
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Shiv Pillai
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, United States
| | - Jayanta Haldar
- Antimicrobial Research Laboratory, New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka 560064, India
- School of Advanced Materials, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru, Karnataka 560064, India
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20
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Zhao Y, Dong J. Effect of inactivating RNA viruses by coupled UVC and UVA LEDs evaluated by a viral surrogate commonly used as a genetic vector. BIOMEDICAL OPTICS EXPRESS 2022; 13:4429-4444. [PMID: 36032577 PMCID: PMC9408255 DOI: 10.1364/boe.468445] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 07/20/2022] [Accepted: 07/20/2022] [Indexed: 06/15/2023]
Abstract
RNA viruses are ubiquitous in nature, many of which can cause severe infectious syndromes to humanity, e.g., the SARS-CoV-2 virus. Ultraviolet (UV) radiation has been widely studied for inactivating various species of microorganisms, including viruses. The most applicable UV light for viruses ranges from 200nm to 280nm in wavelength, i.e., UVC. More recently, the synergy of UVA light with UVC has been studied in disinfecting bacteria in polluted water. However, little attention has been paid to studying viral inactivation by coupled UVC and UVA LEDs. The necessity of such research is to find an effective and economical solution for the LEDs of these two bands. Along this track, we attempt to tackle two major challenges. The first is to find a suitable viral surrogate that can safely be used in ordinary labs. In this aspect, lentivirus is commonly used as a genetic vector and has been selected to surrogate RNA viruses. Another is to determine the effective dosage of the coupled UVC and UVA light. To this end, the surrogate lentivirus was irradiated by 280nm (UVC) LEDs, 365nm (UVA) LEDs, and their combination at various doses. Survival rates were detected to compare the efficacy of various options. Moreover, the viral RNA damage was detected by RT-qPCR to disclose the mechanism of viral death. The results have shown that for the same duration of irradiation, the effect of the full-power 280nm LEDs is equivalent to that of the half-power 280nm LEDs combined with a suitable radiant power of the 365nm LEDs. The observations have been further confirmed by the effect of damaging the viral RNA by either the 280nm or 365nm light. In conclusion, the experimental results provide clear evidence of alleviating the requirement of UVC LEDs in viral inactivation by substituting them partially with UVA LEDs.
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Affiliation(s)
- Yun Zhao
- School of Biomedical Engineering (Suzhou), Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei 230026, China
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China
| | - Jianfei Dong
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou 215163, China
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21
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Hyllestad S, Myrmel M, Lomba JAB, Jordhøy F, Schipper SK, Amato E. Effectiveness of environmental surveillance of SARS-CoV-2 as an early warning system during the first year of the COVID-19 pandemic: a systematic review. JOURNAL OF WATER AND HEALTH 2022; 20:1223-1242. [PMID: 36044191 DOI: 10.2166/wh.2022.115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Since infected persons shed SARS-CoV-2 in faeces before symptoms appear, environmental surveillance (ES) may serve as an early warning system (EWS) for COVID-19 and new variants of concern. The ES of SARS-CoV-2 has been widely reviewed; however, its effectiveness as an EWS for SARS-CoV-2 in terms of timeliness, sensitivity and specificity has not been systematically assessed. We conducted a systematic review to identify and synthesise evidence on the ES of SARS-CoV-2 as an EWS to evaluate the added value for public health. Of 1,014 studies identified, we considered 29 for a qualitative synthesis of the timeliness of ES as an EWS for COVID-19, while six studies were assessed for the ability to detect new variants and two for both aims. The synthesis indicates ES may serve as an EWS of 1-2 weeks. ES could complement clinical surveillance for SARS-CoV-2; however, its cost-benefit value for public health decisions needs to be assessed based on the stage of the pandemic and resources available. Studies focusing methodological knowledge gaps as well as how to use and interpret ES signals for public health actions are needed, as is the sharing of knowledge within countries/areas with long experience of such surveillance.
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Affiliation(s)
- Susanne Hyllestad
- Department for Infection Control and Preparedness, Norwegian Institute of Public Health (NIPH), Oslo, Norway E-mail:
| | - Mette Myrmel
- Faculty of Veterinary Medicine, Virology Unit, Norwegian University of Life Science (NMBU), Oslo, Norway
| | - Jose Antonio Baz Lomba
- Department of Environmental Chemistry and Technology, Norwegian Institute for Water Research (NIVA), Oslo, Norway
| | - Fredrik Jordhøy
- Department for Infection Control and Preparedness, Norwegian Institute of Public Health (NIPH), Oslo, Norway E-mail:
| | - Svanhild Kjørsvik Schipper
- Department for Infection Control and Preparedness, Norwegian Institute of Public Health (NIPH), Oslo, Norway E-mail:
| | - Ettore Amato
- Department for Infection Control and Preparedness, Norwegian Institute of Public Health (NIPH), Oslo, Norway E-mail:
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22
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Amahmid O, El Guamri Y, Rakibi Y, Ouizat S, Yazidi M, Razoki B, Kaid Rassou K, Asmama S, Bouhoum K, Belghyti D. Occurrence of SARS-CoV-2 in excreta, sewage, and environment: epidemiological significance and potential risks. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2022; 32:1686-1706. [PMID: 33752527 DOI: 10.1080/09603123.2021.1901865] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2020] [Accepted: 03/08/2021] [Indexed: 05/23/2023]
Abstract
The detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in patients' excreta raises the issue of its occurrence and fate in sewage. This review has focused on the presence of the SARS-CoV-2 in human excreta, wastewater, sewage sludge, and river waters. It explored the potential use of the wastewater-based epidemiology approach to report on the situation of current and eventual future SARS-CoV-2 outbreaks. The main concern of the occurrence of SARS-CoV-2 in the environment is the public health risks at sites of sewage products disposal and reuse, especially in low-income countries with inadequate sanitation, where direct discharge and reuse of raw sewage are common practices. The review also addressed the role sewage-irrigated agriculture can have in SARS-CoV-2 spread in the environmental compartments reached through sewage products application. An overview was made on the interest of sewage management, water safety, and hygienic practices for controlling the environmental dissemination of SARS-CoV-2.
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Affiliation(s)
- Omar Amahmid
- Department of Life and Earth Sciences, (Biology/geology Research Units), Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
- Department of Biology, Laboratory of Water, Biodiversity and Climatic Change, Faculty of Sciences Semlalia, Cadi Ayyad Univesity, Marrakesh, Morocco
- Department of Biology, Laboratory of Natural Resources and Sustainable Development, University Ibn Tofail, Kenitra, Morocco
| | - Youssef El Guamri
- Department of Life and Earth Sciences, (Biology/geology Research Units), Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
- Department of Biology, Laboratory of Natural Resources and Sustainable Development, University Ibn Tofail, Kenitra, Morocco
| | - Youness Rakibi
- Department of Life and Earth Sciences, (Biology/geology Research Units), Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
- Engineering Laboratory of Organometallic, Molecular Materials and Environment (LIMOME), Sidi Mohammed Ben Abdellah University, Fez, Morocco
| | - Saadia Ouizat
- Chemistry and Didactics Unit, Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
| | - Mohamed Yazidi
- Department of Life and Earth Sciences, (Biology/geology Research Units), Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
| | - Bouchra Razoki
- Department of Life and Earth Sciences, (Biology/geology Research Units), Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
| | - Khadija Kaid Rassou
- Department of Life and Earth Sciences, (Biology/geology Research Units), Regional Centre for Careers of Education and Training CRMEF Marrakech-Safi, Marrakesh, Morocco
| | - Souad Asmama
- Laboratory of Biomedical Analysis, University Hospital Centre Mohammad VI, Marrakech, Morocco
| | - Khadija Bouhoum
- Department of Biology, Laboratory of Water, Biodiversity and Climatic Change, Faculty of Sciences Semlalia, Cadi Ayyad Univesity, Marrakesh, Morocco
| | - Driss Belghyti
- Department of Biology, Laboratory of Natural Resources and Sustainable Development, University Ibn Tofail, Kenitra, Morocco
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23
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Pusterla N, Sandler-Burtness E, Barnum S, Hill LA, Mendonsa E, Khan R, Portener D, Ridland H, Schumacher S. Frequency of detection of respiratory pathogens in nasal secretions from healthy sport horses attending a spring show in California. J Equine Vet Sci 2022; 117:104089. [PMID: 35908600 DOI: 10.1016/j.jevs.2022.104089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 07/20/2022] [Accepted: 07/26/2022] [Indexed: 12/15/2022]
Abstract
The objective of this study was to determine detection frequency of respiratory viruses (equine influenza virus (EIV), equine herpesvirus-1 (EHV-1), EHV-2, EHV-4, EHV-5, equine rhinitis A virus (ERAV), ERBV) and bacteria (Streptococcus equi ss. equi (S. equi), S. equi ss. zooepidemicus (S. zooepidemicus)) in 162 nasal secretions and 149 stall swabs from healthy sport horses attending a spring show in California. Nasal and stall swabs were collected at a single time point and analyzed using qPCR. The detection frequency of respiratory pathogens in nasal secretions was 38.9% for EHV-2, 36.4% for EHV-5, 19.7% for S. zooepidemicus, 1.2% for ERBV, 0.6% for S. equi and 0% for EIV, EHV-1, EHV-4 and ERAV. The detection frequency of respiratory pathogens in stall swabs was 65.8% for S. zooepidemicus, 33.5% for EHV-2, 27.5% for EHV-5, 3.3% for EHV-1, 1.3% for EHV-4 and 0% for EIV, ERAV, ERBV and S. equi. Commensal viruses and bacteria were frequently detected in nasal secretions and stall swabs from healthy sport horses. This was in sharp contrast to the subclinical shedding of well-characterized respiratory pathogens. Of interest was the clustering of five EHV-1 qPCR-positive stalls from apparently healthy horses with no evidence of clinical spread. The results highlight the role of subclinical shedders in introducing respiratory pathogens to shows and their role in environmental contamination. The results also highlight the need to improve cleanliness and disinfection of stalls utilized by performance horses during show events.
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Affiliation(s)
- Nicola Pusterla
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA, USA.
| | | | - Samantha Barnum
- Department of Medicine and Epidemiology, School of Veterinary Medicine, University of California, Davis, CA, USA
| | - Leigh Ann Hill
- Pacific Coast Equine Veterinary Services, Ramona, CA, USA
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24
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Hydrophobic cellulose-based and non-woven fabrics coated with mesoporous TiO2 and their virucidal properties under indoor light. CARBOHYDRATE POLYMER TECHNOLOGIES AND APPLICATIONS 2022. [PMCID: PMC8717712 DOI: 10.1016/j.carpta.2021.100182] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Antiviral hydrophobic cellulose-based cotton or non-woven fabrics containing mesoporous TiO2 particles were developed for potential use in healthcare and in other contaminated environments. Hydrosols made with the sol-gel method using two different amounts of the Ti precursor were applied to cotton and non-woven fabrics and their virucidal effect on Murine Coronavirus (MHV-3) and Human Adenovirus (HAdV-5) was evaluated under indoor light irradiation. The results show 90% reduction of HAdV-5 and up to 99% of MHV-3 in non-woven fabric, and 90% reduction of MHV-3 and no reduction of HAdV-5 in cotton fabric. The antiviral activity was related to the properties of the TiO2 powders and coatings characterized by BET surface area, DRX, DLS, FTIR, DRS, SEM, TEM and water contact angle. The hydrophobic characteristic of the treated fabrics and the high surface area of the TiO2 particles favor interaction with the virus, especially MHV-3. These results demonstrate that non-woven fabric and cotton, coated with TiO2, can be highly effective in preventing contamination with MHV-3 and HAdV-5 viruses, particularly for applications in healthcare indoor environments.
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25
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Mind the feline coronavirus: Comparison with SARS-CoV-2. Gene 2022; 825:146443. [PMID: 35337854 PMCID: PMC8938304 DOI: 10.1016/j.gene.2022.146443] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 02/25/2022] [Accepted: 03/18/2022] [Indexed: 12/13/2022]
Abstract
Both feline coronavirus (FCoV) and SARS-CoV-2 are coronaviruses that infect cats and humans, respectively. However, cats have been shown to be susceptible to SARS-CoV-2, and FCoV also had been shown to infect human. To elucidate the relationship between FCoV and SARS-CoV-2, we highlight the main characteristics of the genome, the receptor usage, and the correlation of the receptor-binding domain (RBD) of spike proteins in FCoV and SARS-CoV-2. It is demonstrated that FCoV and SARS-CoV-2 are closely related to the main characteristics of the genome, receptor usage, and RBD of spike proteins with similar furin cleavage sites. In particular, the affinity of the conserved feline angiotensin-converting enzyme 2 (fACE2) receptor to the RBD of SARS-CoV-2 suggests that cats are susceptible to SARS-CoV-2. In addition, cross-species of coronaviruses between cats and humans or other domesticated animals are also discussed. This review sheds light on cats as potential intermediate hosts for SARS-CoV-2 transmission, and cross-species transmission or zoonotic infection of FCoV and SARS-CoV-2 between cats and humans was identified.
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26
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Foladori P, Cutrupi F, Cadonna M, Manara S. Coronaviruses and SARS-CoV-2 in sewerage and their removal: Step by step in wastewater treatment plants. ENVIRONMENTAL RESEARCH 2022; 207:112204. [PMID: 34656637 PMCID: PMC8516124 DOI: 10.1016/j.envres.2021.112204] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 05/25/2023]
Abstract
The fate of Coronaviruses (CoVs) and in particular SARS-CoV-2 in wastewater treatment plants (WWTPs) has not been completely understood yet, but an adequate knowledge on the removal performances in WWTPs could help to prevent waterborne transmission of the virus that is still under debate. CoVs and SARS-CoV-2 are discharged from faeces into the sewer network and reach WWTPs within a few hours. This review presents the fate of SARS-CoV-2 and other CoVs in the primary, secondary and tertiary treatments of WWTPs as well as in sludge treatments. The viral loads decrease progressively along with the treatments from 20 to 3.0E+06 GU/L (Genomic Units/L) in the influent wastewater to concentrations below 2.50E+05 GU/L after secondary biological treatments and finally to negative concentrations (below detection limit) in disinfected effluents. Reduction of CoVs is due to (i) natural decay under unfavourable conditions (solids, microorganisms, temperature) for relatively long hydraulic retention times and (ii) processes of sedimentation, filtration, predation, adsorption, disinfection. In primary and secondary settling, due to the hydrophobic properties, a partial accumulation of CoVs may occur in the separated sludge. In secondary treatment (i.e. activated sludge) CoVs and SARS-CoV-2 loads can be reduced only by about one logarithm (∼90%). To enhance this removal, tertiary treatment with ultrafiltration (Membrane Bioreactors) and chemical disinfection or UV light is needed. CoVs and SARS-CoV-2 in the sludge (1.2E+04-4.6E+08 GU/L) can be inactivated significantly in the thermophilic digestion (55 °C), while mesophilic temperatures (33-37 °C) are not efficient. Additional studies are required to investigate the infectivity of SARS-CoV-2 in WWTPs, especially in view of increasing interest in wastewater reclamation and reuse.
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Affiliation(s)
- Paola Foladori
- Department of Civil, Environmental and Mechanical Engineering (DICAM) - University of Trento, via Mesiano, n. 77, 38123, Trento, Italy.
| | - Francesca Cutrupi
- Department of Civil, Environmental and Mechanical Engineering (DICAM) - University of Trento, via Mesiano, n. 77, 38123, Trento, Italy
| | - Maria Cadonna
- ADEP - Agenzia per la Depurazione, Autonomous Province of Trento, via Gilli, n. 3, 38121, Trento, Italy
| | - Serena Manara
- Department of Cellular Computational and Integrative Biology (CIBIO) - University of Trento, via Sommarive, n. 9, 38123, Trento, Italy
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27
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Tizaoui C, Stanton R, Statkute E, Rubina A, Lester-Card E, Lewis A, Holliman P, Worsley D. Ozone for SARS-CoV-2 inactivation on surfaces and in liquid cell culture media. JOURNAL OF HAZARDOUS MATERIALS 2022; 428:128251. [PMID: 35032958 PMCID: PMC8744407 DOI: 10.1016/j.jhazmat.2022.128251] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2021] [Revised: 01/07/2022] [Accepted: 01/07/2022] [Indexed: 06/02/2023]
Abstract
This study evaluated the inactivation of SARS-CoV-2, the virus responsible for COVID-19, by ozone using virus grown in cell culture media either dried on surfaces (plastic, glass, stainless steel, copper, and coupons of ambulance seat and floor) or suspended in liquid. Treatment in liquid reduced SARS-CoV-2 at a rate of 0.92 ± 0.11 log10-reduction per ozone CT dose(mg min/L); where CT is ozone concentration times exposure time. On surface, the synergistic effect of CT and relative humidity (RH) was key to virus inactivation; the rate varied from 0.01 to 0.27 log10-reduction per ozone CT value(g min/m3) as RH varied from 17% to 70%. Depletion of ozone by competitive reactions with the medium constituents, mass transfer limiting the penetration of ozone to the bulk of the medium, and occlusion of the virus in dried matrix were postulated as potential mechanisms that reduce ozone efficacy. RH70% was found plausible since it provided the highest disinfection rate while being below the critical RH that promotes mould growth in buildings. In conclusion, through careful choice of (CT, RH), gaseous ozone is effective against SARS-CoV-2 and our results are of significance to a growing field where ozone is applied to control the spread of COVID-19.
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Affiliation(s)
- Chedly Tizaoui
- College of Engineering, Bay Campus, Swansea University, Swansea SA1 8EN, United Kingdom.
| | - Richard Stanton
- Division of Infection & Immunity, School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, United Kingdom
| | - Evelina Statkute
- Division of Infection & Immunity, School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, United Kingdom
| | - Anzelika Rubina
- Division of Infection & Immunity, School of Medicine, Cardiff University, Heath Park, Cardiff CF14 4XN, United Kingdom
| | - Edward Lester-Card
- College of Engineering, Bay Campus, Swansea University, Swansea SA1 8EN, United Kingdom
| | - Anthony Lewis
- College of Engineering, Bay Campus, Swansea University, Swansea SA1 8EN, United Kingdom
| | - Peter Holliman
- College of Engineering, Bay Campus, Swansea University, Swansea SA1 8EN, United Kingdom
| | - Dave Worsley
- College of Engineering, Bay Campus, Swansea University, Swansea SA1 8EN, United Kingdom
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28
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Nasir AM, Adam MR, Mohamad Kamal SNEA, Jaafar J, Othman MHD, Ismail AF, Aziz F, Yusof N, Bilad MR, Mohamud R, A Rahman M, Wan Salleh WN. A review of the potential of conventional and advanced membrane technology in the removal of pathogens from wastewater. Sep Purif Technol 2022; 286:120454. [PMID: 35035270 PMCID: PMC8741333 DOI: 10.1016/j.seppur.2022.120454] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2021] [Revised: 01/04/2022] [Accepted: 01/04/2022] [Indexed: 12/23/2022]
Abstract
Consumption of pathogenic contaminated water has claimed the lives of many people. Hence, this scenario has emphasized the urgent need for research methods to avoid, treat and eliminate harmful pathogens in wastewater. Therefore, effective water treatment has become a matter of utmost importance. Membrane technology offers purer, cleaner, and pathogen-free water through the water separation method via a permeable membrane. Advanced membrane technology such as nanocomposite membrane, membrane distillation, membrane bioreactor, and photocatalytic membrane reactor can offer synergistic effects in removing pathogen through the integration of additional functionality and filtration in a single chamber. This paper also comprehensively discussed the application, challenges, and future perspective of the advanced membrane technology as a promising alternative in battling pathogenic microbial contaminants, which will also be beneficial and valuable in managing pandemics in the future as well as protecting human health and the environment. In addition, the potential of membrane technology in battling the ongoing global pandemic of coronavirus disease 2019 (COVID-19) was also discussed briefly.
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Affiliation(s)
- Atikah Mohd Nasir
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | - Mohd Ridhwan Adam
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
| | | | - Juhana Jaafar
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Mohd Hafiz Dzarfan Othman
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Ahmad Fauzi Ismail
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Farhana Aziz
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Norhaniza Yusof
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Muhammad Roil Bilad
- Department of Chemistry Education, Universitas Pendidikan Mandalika (UNDIKMA), Jl. Pemuda No. 59A, Mataram 83126, Indonesia
| | - Rohimah Mohamud
- Department of Immunology, School of Medical Sciences, Health Campus,Universiti Sains Malaysia, 16150 Kubang Kerian, Kelantan, Malaysia
| | - Mukhlis A Rahman
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Wan Norhayati Wan Salleh
- Advanced Membrane Technology Research Centre, Universiti Teknologi Malaysia, 81310, Skudai, Johor, Malaysia
- School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
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29
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Li H, Ling F, Zhang S, Liu Y, Wang C, Lin H, Sun J, Wu Y. Comparison of 19 major infectious diseases during COVID-19 epidemic and previous years in Zhejiang, implications for prevention measures. BMC Infect Dis 2022; 22:296. [PMID: 35346101 PMCID: PMC8958816 DOI: 10.1186/s12879-022-07301-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Accepted: 03/22/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The global pandemic of coronavirus disease 2019 (COVID-19) has attracted great public health efforts across the world. Few studies, however, have described the potential impact of these measures on other important infectious diseases. METHODS The incidence of 19 major infectious diseases in Zhejiang Province was collected from the National Notifiable Infectious Disease Surveillance System from January 2017 to October 2020. The entire epidemic control phase was divided into three stages. The government deployed the first level response from 24 January to 2 March (the most rigorous measures). When the outbreak of COVID-19 was under control, the response level changed to the second level from 3 to 23 March, and then the third level response was implemented after 24 March. We compared the epidemiological characteristics of 19 major infectious diseases during different periods of the COVID-19 epidemic and previous years. RESULTS A total of 1,814,881 cases of 19 infectious diseases were reported in Zhejiang from January 2017 to October 2020, resulting in an incidence rate of 8088.30 cases per 1,000,000 person-years. After the non-pharmaceutical intervention, the incidence of 19 infectious diseases dropped by 70.84%, from 9436.32 cases per 1,000,000 person-years to 2751.51 cases per 1,000,000 person-years, with the large decrease in the first response period of influenza. However, we observed that the daily incidence of severe fever with thrombocytopenia syndrome (SFTS) and leptospirosis increased slightly (from 1.11 cases per 1,000,000 person-years to 1.82 cases per 1,000,000 person-years for SFTS and 0.30 cases per 1,000,000 person-years to 1.24 cases per 1,000,000 person-years for leptospirosis). There was no significant difference in the distribution of epidemiological characteristic of most infectious diseases before and during the implementation of COVID-19 control measures. CONCLUSION Our study summarizes the epidemiological characteristics of 19 infectious diseases and indicates that the rigorous control measures for COVID-19 are also effective for majority of infectious diseases.
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Affiliation(s)
- Haopeng Li
- Department of Epidemiology, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Feng Ling
- Key Laboratory of Vaccine, Prevention and Control of Infectious Disease of Zhejiang Province, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Shiyu Zhang
- Department of Epidemiology, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Ying Liu
- Key Laboratory of Vaccine, Prevention and Control of Infectious Disease of Zhejiang Province, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, China
| | - Chongjian Wang
- Department of Epidemiology and Biostatistics, College of Public Health, Zhengzhou University, Zhengzhou, Henan, China
| | - Hualiang Lin
- Department of Epidemiology, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Jimin Sun
- Key Laboratory of Vaccine, Prevention and Control of Infectious Disease of Zhejiang Province, Zhejiang Provincial Center for Disease Control and Prevention, Hangzhou, Zhejiang, China.
| | - Yinglin Wu
- Department of Epidemiology, School of Public Health, Sun Yat-Sen University, Guangzhou, Guangdong, China.
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30
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Tharak A, Kopperi H, Hemalatha M, Kiran U, C. G. G, Moharir S, Mishra RK, Mohan SV. Longitudinal and Long-Term Wastewater Surveillance for COVID-19: Infection Dynamics and Zoning of Urban Community. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19052697. [PMID: 35270390 PMCID: PMC8910010 DOI: 10.3390/ijerph19052697] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/22/2022] [Revised: 02/14/2022] [Accepted: 02/21/2022] [Indexed: 02/01/2023]
Abstract
Wastewater-based epidemiology (WBE) is emerging as a potential approach to study the infection dynamics of SARS-CoV-2 at a community level. Periodic sewage surveillance can act as an indicative tool to predict the early surge of pandemic within the community and understand the dynamics of infection and, thereby, facilitates for proper healthcare management. In this study, we performed a long-term epidemiological surveillance to assess the SARS-CoV-2 spread in domestic sewage over one year (July 2020 to August 2021) by adopting longitudinal sampling to represent a selected community (~2.5 lakhs population). Results indicated temporal dynamics in the viral load. A consistent amount of viral load was observed during the months from July 2020 to November 2020, suggesting a higher spread of the viral infection among the community, followed by a decrease in the subsequent two months (December 2020 and January 2021). A marginal increase was observed during February 2021, hinting at the onset of the second wave (from March 2021) that reached it speak in April 2021. Dynamics of the community infection rates were calculated based on the viral gene copies to assess the severity of COVID-19 spread. With the ability to predict the infection spread, longitudinal WBE studies also offer the prospect of zoning specific areas based on the infection rates. Zoning of the selected community based on the infection rates assists health management to plan and manage the infection in an effective way. WBE promotes clinical inspection with simultaneous disease detection and management, in addition to an advance warning signal to anticipate outbreaks, with respect to the slated community/zones, to tackle, prepare for and manage the pandemic.
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Affiliation(s)
- Athmakuri Tharak
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering (DEEE), CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; (A.T.); (H.K.); (M.H.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India;
| | - Harishankar Kopperi
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering (DEEE), CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; (A.T.); (H.K.); (M.H.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India;
| | - Manupati Hemalatha
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering (DEEE), CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; (A.T.); (H.K.); (M.H.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India;
| | - Uday Kiran
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India;
- CSIR-Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad 500007, India; (G.C.G.); (S.M.)
| | - Gokulan C. G.
- CSIR-Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad 500007, India; (G.C.G.); (S.M.)
| | - Shivranjani Moharir
- CSIR-Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad 500007, India; (G.C.G.); (S.M.)
| | - Rakesh K. Mishra
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India;
- CSIR-Centre for Cellular and Molecular Biology (CSIR-CCMB), Hyderabad 500007, India; (G.C.G.); (S.M.)
- Correspondence: (R.K.M.); (S.V.M.)
| | - S. Venkata Mohan
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering (DEEE), CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500007, India; (A.T.); (H.K.); (M.H.)
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India;
- Correspondence: (R.K.M.); (S.V.M.)
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Ho J, Stange C, Suhrborg R, Wurzbacher C, Drewes JE, Tiehm A. SARS-CoV-2 wastewater surveillance in Germany: Long-term RT-digital droplet PCR monitoring, suitability of primer/probe combinations and biomarker stability. WATER RESEARCH 2022; 210:117977. [PMID: 34968879 DOI: 10.1101/2021.09.16.21263575] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/16/2021] [Accepted: 12/11/2021] [Indexed: 05/26/2023]
Abstract
In recent months, wastewater-based epidemiology (WBE) has been shown to be an important tool for early detection of SARS-CoV-2 circulation in the population. In this study, a detection methodology for SARS-CoV-2 RNA (wildtype and variants of concern) in wastewater was developed based on the detection of different target genes (E and ORF1ab) by polyethylene glycol (PEG) precipitation and digital droplet PCR. This methodology was used to determine the SARS-CoV-2 concentration and the proportion of N501Y mutation in raw sewage of the wastewater treatment plant of the city of Karlsruhe in south-western Germany over a period of 1 year (June 2020 to July 2021). Comparison of SARS-CoV-2 concentrations with reported COVID-19 cases in the catchment area showed a significant correlation. As the clinical SARS-CoV-2 official case report chain takes time, viral RNA titre trends appeared more than 12 days earlier than clinical data, demonstrating the potential of wastewater-based epidemiology as an early warning system. Parallel PCR analysis using seven primer and probe systems revealed similar gene copy numbers with E, ORF, RdRP2 and NSP9 assays. RdPP1 and NSP3 generally resulted in lower copy numbers, and in particular for N1 there was low correlation with the other assays. The occurrence of the N501Y mutation in the wastewater of Karlsruhe was consistent with the occurrence of the alpha-variant (B.1.1.7) in the corresponding individual clinical tests. In batch experiments SARS-CoV-2 RNA was stable for several days under anaerobic conditions, but the copy numbers decreased rapidly in the presence of dissolved oxygen. Overall, this study shows that wastewater-based epidemiology is a sensitive and robust approach to detect trends in the spread of SARS-CoV-2 at an early stage, contributing to successful pandemic management.
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Affiliation(s)
- Johannes Ho
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | - Claudia Stange
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | - Rabea Suhrborg
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | - Christian Wurzbacher
- Technical University of Munich, Chair of Urban Water Systems Engineering, Am Coulombwall 3, 85748 Garching, Germany
| | - Jörg E Drewes
- Technical University of Munich, Chair of Urban Water Systems Engineering, Am Coulombwall 3, 85748 Garching, Germany
| | - Andreas Tiehm
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany.
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32
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Ho J, Stange C, Suhrborg R, Wurzbacher C, Drewes JE, Tiehm A. SARS-CoV-2 wastewater surveillance in Germany: Long-term RT-digital droplet PCR monitoring, suitability of primer/probe combinations and biomarker stability. WATER RESEARCH 2022; 210:117977. [PMID: 34968879 PMCID: PMC8684593 DOI: 10.1016/j.watres.2021.117977] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/16/2021] [Accepted: 12/11/2021] [Indexed: 05/18/2023]
Abstract
In recent months, wastewater-based epidemiology (WBE) has been shown to be an important tool for early detection of SARS-CoV-2 circulation in the population. In this study, a detection methodology for SARS-CoV-2 RNA (wildtype and variants of concern) in wastewater was developed based on the detection of different target genes (E and ORF1ab) by polyethylene glycol (PEG) precipitation and digital droplet PCR. This methodology was used to determine the SARS-CoV-2 concentration and the proportion of N501Y mutation in raw sewage of the wastewater treatment plant of the city of Karlsruhe in south-western Germany over a period of 1 year (June 2020 to July 2021). Comparison of SARS-CoV-2 concentrations with reported COVID-19 cases in the catchment area showed a significant correlation. As the clinical SARS-CoV-2 official case report chain takes time, viral RNA titre trends appeared more than 12 days earlier than clinical data, demonstrating the potential of wastewater-based epidemiology as an early warning system. Parallel PCR analysis using seven primer and probe systems revealed similar gene copy numbers with E, ORF, RdRP2 and NSP9 assays. RdPP1 and NSP3 generally resulted in lower copy numbers, and in particular for N1 there was low correlation with the other assays. The occurrence of the N501Y mutation in the wastewater of Karlsruhe was consistent with the occurrence of the alpha-variant (B.1.1.7) in the corresponding individual clinical tests. In batch experiments SARS-CoV-2 RNA was stable for several days under anaerobic conditions, but the copy numbers decreased rapidly in the presence of dissolved oxygen. Overall, this study shows that wastewater-based epidemiology is a sensitive and robust approach to detect trends in the spread of SARS-CoV-2 at an early stage, contributing to successful pandemic management.
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Affiliation(s)
- Johannes Ho
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | - Claudia Stange
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | - Rabea Suhrborg
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | - Christian Wurzbacher
- Technical University of Munich, Chair of Urban Water Systems Engineering, Am Coulombwall 3, 85748 Garching, Germany
| | - Jörg E Drewes
- Technical University of Munich, Chair of Urban Water Systems Engineering, Am Coulombwall 3, 85748 Garching, Germany
| | - Andreas Tiehm
- TZW: DVGW-Technologiezentrum Wasser, Department of Water Microbiology, Karlsruher Straße 84, 76139 Karlsruhe, Germany.
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Liu J, Zheng T, Xia W, Xu S, Li Y. Cold chain and severe acute respiratory syndrome coronavirus 2 transmission: a review for challenges and coping strategies. MEDICAL REVIEW (BERLIN, GERMANY) 2022; 2:50-65. [PMID: 35658108 PMCID: PMC9047647 DOI: 10.1515/mr-2021-0019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Accepted: 12/13/2021] [Indexed: 06/15/2023]
Abstract
Since June 2020, the re-emergence of coronavirus disease 2019 (COVID-19) epidemics in parts of China was linked to the cold chain, which attracted extensive attention and heated discussions from the public. According to the typical characteristics of these epidemics, we speculated a possible route of transmission from cold chain to human. A series of factors in the supply chain contributed to the epidemics if the cold chain were contaminated by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), such as temperature, humidity, personal hygiene/protection, and disinfection. The workers who worked in the cold chain at the receiving end faced a higher risk of being infected when they were not well protected. Facing the difficult situation, China put forward targeted and powerful countermeasures to block the cold chain-related risk. However, in the context of the unstable pandemic situation globally, the risk of the cold chain needs to be recognized and evaluated seriously. Hence, in this review, we reviewed the cold chain-related epidemics in China, analyzed the possible mechanisms, introduced the Chinese experience, and suggested coping strategies for the global epidemic prevention and control.
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Affiliation(s)
- Jiangtao Liu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Tongzhang Zheng
- Department of Epidemiology, School of Public Health, Brown University, Providence, RI 02912, United States
| | - Wei Xia
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shunqing Xu
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yuanyuan Li
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection, and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
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Li J, Li S, Huang J, Khan AQ, An B, Zhou X, Liu Z, Zhu M. Spider Silk-Inspired Artificial Fibers. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2022; 9:e2103965. [PMID: 34927397 PMCID: PMC8844500 DOI: 10.1002/advs.202103965] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Revised: 11/19/2021] [Indexed: 05/14/2023]
Abstract
Spider silk is a natural polymeric fiber with high tensile strength, toughness, and has distinct thermal, optical, and biocompatible properties. The mechanical properties of spider silk are ascribed to its hierarchical structure, including primary and secondary structures of the spidroins (spider silk proteins), the nanofibril, the "core-shell", and the "nano-fishnet" structures. In addition, spider silk also exhibits remarkable properties regarding humidity/water response, water collection, light transmission, thermal conductance, and shape-memory effect. This motivates researchers to prepare artificial functional fibers mimicking spider silk. In this review, the authors summarize the study of the structure and properties of natural spider silk, and the biomimetic preparation of artificial fibers from different types of molecules and polymers by taking some examples of artificial fibers exhibiting these interesting properties. In conclusion, biomimetic studies have yielded several noteworthy findings in artificial fibers with different functions, and this review aims to provide indications for biomimetic studies of functional fibers that approach and exceed the properties of natural spider silk.
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Affiliation(s)
- Jiatian Li
- State Key Laboratory of Medicinal Chemical BiologyCollege of Pharmacy and College of ChemistryKey Laboratory of Functional Polymer MaterialsFrontiers Science Center for New Organic MatterNankai UniversityTianjin300071China
| | - Sitong Li
- State Key Laboratory of Medicinal Chemical BiologyCollege of Pharmacy and College of ChemistryKey Laboratory of Functional Polymer MaterialsFrontiers Science Center for New Organic MatterNankai UniversityTianjin300071China
| | - Jiayi Huang
- State Key Laboratory of Medicinal Chemical BiologyCollege of Pharmacy and College of ChemistryKey Laboratory of Functional Polymer MaterialsFrontiers Science Center for New Organic MatterNankai UniversityTianjin300071China
| | - Abdul Qadeer Khan
- State Key Laboratory of Medicinal Chemical BiologyCollege of Pharmacy and College of ChemistryKey Laboratory of Functional Polymer MaterialsFrontiers Science Center for New Organic MatterNankai UniversityTianjin300071China
| | - Baigang An
- School of Chemical EngineeringUniversity of Science and Technology LiaoningAnshan114051China
| | - Xiang Zhou
- Department of ScienceChina Pharmaceutical UniversityNanjing211198China
| | - Zunfeng Liu
- State Key Laboratory of Medicinal Chemical BiologyCollege of Pharmacy and College of ChemistryKey Laboratory of Functional Polymer MaterialsFrontiers Science Center for New Organic MatterNankai UniversityTianjin300071China
- School of Chemical EngineeringUniversity of Science and Technology LiaoningAnshan114051China
| | - Meifang Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer MaterialsCollege of Materials Science and EngineeringDonghua UniversityShanghai201620China
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35
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Demarco CF, Afonso TF, Schoeler GP, Barboza VDS, Rocha LDS, Pieniz S, Giongo JL, Vaucher RDA, Igansi AV, Cadaval TRS, Andreazza R. New low-cost biofilters for SARS-CoV-2 using Hymenachne grumosa as a precursor. JOURNAL OF CLEANER PRODUCTION 2022; 331:130000. [PMID: 34898862 PMCID: PMC8650601 DOI: 10.1016/j.jclepro.2021.130000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 11/28/2021] [Accepted: 12/02/2021] [Indexed: 06/14/2023]
Abstract
The ongoing global spread of COVID-19 (SARS-CoV-2 2019 disease) is causing an unprecedented repercussion on human health and the economy. Despite the primary mode of transmission being through air droplets and contact, the transmission via wastewater is a critical concern. There is a lack of techniques able to provide complete disinfection, along with the uncertainty related to the behavior of SARS-CoV-2 in the natural environment and risks of contamination. This fact makes urgent the research towards new alternatives for virus removal from water and wastewater. Thus, this research aimed to characterize new lost-cost adsorbents for SARS-CoV-2 using Hymenachne grumosa as a precursor and verify its potential for removing SARS-CoV-2 from the solution. The aquatic macrophyte H. grumosa had in natura and activated carbon produced with H. grumosa and zinc chloride (ZnCl2,1:1) impregnation and carbonization (700 °C, 1 h) were incubated for 24 h with inactivated SARS-CoV-2 viral suspension, and then the ribonucleic acid (RNA) was extracted and viral load quantified through reverse transcription-quantitative polymerase chain reaction (RT-qPCR) technique. The results demonstrated the great adsorption potential, achieving removal of 98.44% by H. grumosa "in natura", and 99.61% by H. grumosa with carbon activation, being similar to commercial activated carbon (99.67%). Thus, this study highlights the possibility of low-cost biofilters to be used for SARS-CoV-2 removal, as an excellent alternative for wastewater treatment or watercourses decontamination.
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Affiliation(s)
- Carolina Faccio Demarco
- Science and Engineering of Materials Postgraduate Program, Federal University of Pelotas, R. Gomes Carneiro 01, CEP 96010-610, Pelotas, RS, Brazil
| | - Thays França Afonso
- Science and Engineering of Materials Postgraduate Program, Federal University of Pelotas, R. Gomes Carneiro 01, CEP 96010-610, Pelotas, RS, Brazil
| | - Guilherme Pereira Schoeler
- Environmental Sciences Postgraduate Program, Federal University of Pelotas. R. Benjamin Constant 989, CEP 96010-020, Pelotas, RS, Brazil
| | - Victor Dos Santos Barboza
- Graduate Program in Biochemistry and Bioprospecting, Research Laboratory in Biochemical and Molecular Biology of Microorganisms (LaPeBBiOM), Federal University of Pelotas, Av. Eliseu Maciel, Campus Universitário, S/n, Capão do Leão, CEP 96160-000, RS, Brazil
| | - Liziane Dos Santos Rocha
- Graduate Program in Biochemistry and Bioprospecting, Research Laboratory in Biochemical and Molecular Biology of Microorganisms (LaPeBBiOM), Federal University of Pelotas, Av. Eliseu Maciel, Campus Universitário, S/n, Capão do Leão, CEP 96160-000, RS, Brazil
| | - Simone Pieniz
- Environmental Sciences Postgraduate Program, Federal University of Pelotas. R. Benjamin Constant 989, CEP 96010-020, Pelotas, RS, Brazil
| | - Janice Luehring Giongo
- Graduate Program in Biochemistry and Bioprospecting, Research Laboratory in Biochemical and Molecular Biology of Microorganisms (LaPeBBiOM), Federal University of Pelotas, Av. Eliseu Maciel, Campus Universitário, S/n, Capão do Leão, CEP 96160-000, RS, Brazil
| | - Rodrigo de Almeida Vaucher
- Graduate Program in Biochemistry and Bioprospecting, Research Laboratory in Biochemical and Molecular Biology of Microorganisms (LaPeBBiOM), Federal University of Pelotas, Av. Eliseu Maciel, Campus Universitário, S/n, Capão do Leão, CEP 96160-000, RS, Brazil
| | - Andrei Vallerão Igansi
- School of Chemistry and Food, Federal University of Rio Grande, Av. Itália, Km 8, S/n, Carreiros, CEP 96203-000, Rio Grande, RS, Brazil
| | - Tito Roberto Sant'Anna Cadaval
- School of Chemistry and Food, Federal University of Rio Grande, Av. Itália, Km 8, S/n, Carreiros, CEP 96203-000, Rio Grande, RS, Brazil
| | - Robson Andreazza
- Science and Engineering of Materials Postgraduate Program, Federal University of Pelotas, R. Gomes Carneiro 01, CEP 96010-610, Pelotas, RS, Brazil
- Environmental Sciences Postgraduate Program, Federal University of Pelotas. R. Benjamin Constant 989, CEP 96010-020, Pelotas, RS, Brazil
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Wang X, Wu F, Zhao X, Zhang X, Wang J, Niu L, Liang W, Leung KMY, Giesy JP. Enlightenment from the COVID-19 Pandemic: The Roles of Environmental Factors in Future Public Health Emergency Response. ENGINEERING (BEIJING, CHINA) 2022; 8:108-115. [PMID: 33747606 PMCID: PMC7955573 DOI: 10.1016/j.eng.2020.12.019] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/14/2020] [Revised: 12/22/2020] [Accepted: 12/30/2020] [Indexed: 05/10/2023]
Abstract
The coronavirus disease 2019 (COVID-19) pandemic is challenging the current public health emergency response systems (PHERSs) of many countries. Although environmental factors, such as those influencing the survival of viruses and their transmission between species including humans, play important roles in PHERSs, little attention has been given to these factors. This study describes and elucidates the roles of environmental factors in future PHERSs. To improve countries' capability to respond to public health emergencies associated with viral infections such as the COVID-19 pandemic, a number of environmental factors should be considered before, during, and after the responses to such emergencies. More specifically, to prevent pandemic outbreaks, we should strengthen environmental and wildlife protection, conduct detailed viral surveillance in animals and hotspots, and improve early-warning systems. During the pandemic, we must study the impacts of environmental factors on viral behaviors, develop control measures to minimize secondary environmental risks, and conduct timely assessments of viral risks and secondary environmental effects with a view to reducing the impacts of the pandemic on human health and on ecosystems. After the pandemic, we should further strengthen surveillance for viruses and the prevention of viral spread, maintain control measures for minimizing secondary environmental risks, develop our capability to scientifically predict pandemics and resurgences, and prepare for the next unexpected resurgence. Meanwhile, we should restore the normal life and production of the public based on the "One Health" concept, that views global human and environmental health as inextricably linked. Our recommendations are essential for improving nations' capability to respond to global public health emergencies.
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Affiliation(s)
- Xiaolei Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Fengchang Wu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xiaoli Zhao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xiao Zhang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Junyu Wang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Lin Niu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Weigang Liang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Kenneth Mei Yee Leung
- State Key Laboratory of Marine Pollution & Department of Chemistry, City University of Hong Kong, Hong Kong, China
| | - John P Giesy
- Department of Veterinary Biomedical Sciences and Toxicology Centre, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada
- Department of Environmental Sciences, Baylor University, Waco, TX 76798, USA
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Jalali Milani S, Nabi Bidhendi G. A Review on the Potential of Common Disinfection Processes for the Removal of Virus from Wastewater. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH 2022; 16:9. [PMID: 35013682 PMCID: PMC8733756 DOI: 10.1007/s41742-021-00387-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 12/04/2021] [Accepted: 12/25/2021] [Indexed: 05/07/2023]
Abstract
Due to the prevalence of the COVID-19 outbreak, as well as findings of SARS-CoV-2 RNA in wastewater and the possibility of viral transmission through wastewater, disinfection is required. As a consequence, based on prior investigations, this work initially employed the viral concentration detection technique, followed by the RT-qPCR assay, as the foundation for identifying the SARS-CoV-2 virus in wastewater. After that, the ability and efficacy of chlorine, ozone, and UV disinfection to inactivate the SARS-CoV-2 virus from wastewater were examined. Chlorine disinfection is the most extensively used disinfection technology due to its multiple advantages. With a chlorine dioxide disinfectant dose of 40 mg/L, the SARS-CoV virus is inactivated after 30 min of contact time. On the other hand, ozone is a powerful oxidizer and an effective microbicide that is employed as a disinfectant due to its positive characteristics. After 30 min of exposure to 1000 ppmv ozone, corona pseudoviruses are reduced by 99%. Another common method of disinfection is using ultraviolet radiation, which is usually 253.7 nm suitable for ultraviolet disinfection. At a dose of 1048 mJ/cm2, UVC radiation completely inactivates the SARS-CoV-2 virus. Finally, to evaluate disinfection performance and optimize disinfection strategies to prevent the spread of SARS-CoV-2, this study attempted to investigate the ability to remove and compare the effectiveness of each disinfectant to inactive the SARS-CoV-2 virus from wastewater, summarize studies, and provide future solutions due to the limited availability of integrated resources in this field and the spread of the SARS-CoV-2 virus worldwide.
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Affiliation(s)
- Sevda Jalali Milani
- School of Environment, College of Engineering, University of Tehran, Tehran, Iran
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Sojobi AO, Zayed T. Impact of sewer overflow on public health: A comprehensive scientometric analysis and systematic review. ENVIRONMENTAL RESEARCH 2022; 203:111609. [PMID: 34216613 DOI: 10.1016/j.envres.2021.111609] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 06/16/2021] [Accepted: 06/24/2021] [Indexed: 05/09/2023]
Abstract
Sewer overflow (SO), which has attracted global attention, poses serious threat to public health and ecosystem. SO impacts public health via consumption of contaminated drinking water, aerosolization of pathogens, food-chain transmission, and direct contact with fecally-polluted rivers and beach sediments during recreation. However, no study has attempted to map the linkage between SO and public health including Covid-19 using scientometric analysis and systematic review of literature. Results showed that only few countries were actively involved in SO research in relation to public health. Furthermore, there are renewed calls to scale up environmental surveillance to safeguard public health. To safeguard public health, it is important for public health authorities to optimize water and wastewater treatment plants and improve building ventilation and plumbing systems to minimize pathogen transmission within buildings and transportation systems. In addition, health authorities should formulate appropriate policies that can enhance environmental surveillance and facilitate real-time monitoring of sewer overflow. Increased public awareness on strict personal hygiene and point-of-use-water-treatment such as boiling drinking water will go a long way to safeguard public health. Ecotoxicological studies and health risk assessment of exposure to pathogens via different transmission routes is also required to appropriately inform the use of lockdowns, minimize their socio-economic impact and guide evidence-based welfare/social policy interventions. Soft infrastructures, optimized sewer maintenance and prescreening of sewer overflow are recommended to reduce stormwater burden on wastewater treatment plant, curtail pathogen transmission and marine plastic pollution. Comprehensive, integrated surveillance and global collaborative efforts are important to curtail on-going Covid-19 pandemic and improve resilience against future pandemics.
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Affiliation(s)
| | - Tarek Zayed
- Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong, China.
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Sobsey MD. Absence of virological and epidemiological evidence that SARS-CoV-2 poses COVID-19 risks from environmental fecal waste, wastewater and water exposures. JOURNAL OF WATER AND HEALTH 2022; 20:126-138. [PMID: 35100160 DOI: 10.2166/wh.2021.182] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
This review considers evidence for infectious severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) presence and COVID-19 infection and illness resulting from exposure to environmental fecal wastes and waters. There is no documented evidence that (1) infectious, replication-capable SARS-CoV-2 is present in environmental fecal wastes, wastewater or water, and (2) well-documented epidemiological evidence of COVID-19 infection, illness or death has never been reported for these exposure media. COVID-19 is transmitted mainly by direct personal contact and respiratory secretions as airborne droplets and aerosols, and less so by respiratory-secreted fomites via contact (touch) exposures. While SARS-CoV-2 often infects the gastrointestinal tract of infected people, its presence as infectious, replication-capable virus in environmental fecal wastes and waters has never been documented. There is only rare and unquantified evidence of infectious, replication-capable SARS-CoV-2 in recently shed feces of COVID-19 hospital patients. The human infectivity dose-response relationship of SARS-CoV-2 is unknown, thereby making it impossible to estimate evidence-based quantitative health effects assessments by quantitative microbial risk assessment methods requiring both known exposure assessment and health effects assessment data. The World Health Organization, Water Environment Federation, US Centers for Disease Control and Prevention and others do not consider environmental fecal wastes and waters as sources of exposure to infectious SARS-CoV-2 causing COVID-19 infection and illness.
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Affiliation(s)
- Mark D Sobsey
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina, Chapel Hill, NC 27599-7431, USA E-mail:
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Clinical evaluation of antiseptic mouth rinses to reduce salivary load of SARS-CoV-2. Sci Rep 2021; 11:24392. [PMID: 34937855 PMCID: PMC8695582 DOI: 10.1038/s41598-021-03461-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 12/02/2021] [Indexed: 01/07/2023] Open
Abstract
Most public health measures to contain the COVID-19 pandemic are based on preventing the pathogen spread, and the use of oral antiseptics has been proposed as a strategy to reduce transmission risk. The aim of this manuscript is to test the efficacy of mouthwashes to reduce salivary viral load in vivo. This is a multi-centre, blinded, parallel-group, placebo-controlled randomised clinical trial that tests the effect of four mouthwashes (cetylpyridinium chloride, chlorhexidine, povidone-iodine and hydrogen peroxide) in SARS-CoV-2 salivary load measured by qPCR at baseline and 30, 60 and 120 min after the mouthrinse. A fifth group of patients used distilled water mouthrinse as a control. Eighty-four participants were recruited and divided into 12–15 per group. There were no statistically significant changes in salivary viral load after the use of the different mouthwashes. Although oral antiseptics have shown virucidal effects in vitro, our data show that salivary viral load in COVID-19 patients was not affected by the tested treatments. This could reflect that those mouthwashes are not effective in vivo, or that viral particles are not infective but viral RNA is still detected by PCR. Viral infectivity studies after the use of mouthwashes are therefore required. (https://clinicaltrials.gov/ct2/show/NCT04707742; Identifier: NCT04707742)
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Khan AH, Abutaleb A, Khan NA, El Din Mahmoud A, Khursheed A, Kumar M. Co-occurring indicator pathogens for SARS-CoV-2: A review with emphasis on exposure rates and treatment technologies. CASE STUDIES IN CHEMICAL AND ENVIRONMENTAL ENGINEERING 2021; 4:100113. [PMID: 38620839 PMCID: PMC8233050 DOI: 10.1016/j.cscee.2021.100113] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 06/19/2021] [Accepted: 06/22/2021] [Indexed: 05/23/2023]
Abstract
Scientific advancements from 2002 to 2020 for coronaviruses, i.e., SARS-CoV and MERS-CoV outbreaks, could lead towards a better understanding of the exposure to a health crisis. However, data on its transmission routes and persistence in the environment is still in need of the hour. In this review, we discuss the impact of environmental matrices on dealing with the consequences of the global COVID-19 outbreak. We have compiled the most recent data on the epidemiology and pathogenesis of the diseases. The review aims to help researchers and the larger public recognize and deal with the consequences of co-occurring viral indicators for COVID-19 and provide nano-technological perspectives of possible diagnostic and treatment tools for further studies. The review highlights environmental wastes such as hospital wastewater effluents, pathogen-laden waste, pathogen-laden ground/surface water, wastewater sludge residues and discusses their potential remediation technologies, i.e., pathogen-contaminated soil disposal, municipal and medical solid waste collection, recycling, and final disposal. Finally, holistic suggestions to tackle environmental-related issues by the scientific community have been provided, where scientists, consultants may involve in a tiered assessment from the hazard to risk management in the post-COVID-19 world.
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Affiliation(s)
- Afzal Husain Khan
- Civil Engineering Department, Jazan University, 114 Jazan, Saudi Arabia
| | - Ahmed Abutaleb
- Chemical Engineering Department, Jazan University, 114 Jazan, Saudi Arabia
| | - Nadeem A Khan
- Civil Engineering Department, Jamia Millia Islamia, New Delhi, India
| | - Alaa El Din Mahmoud
- Environmental Sciences Department, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt
- Green Technology Group, Faculty of Science, Alexandria University, 21511 Alexandria, Egypt
| | - Anwar Khursheed
- Department of Civil Engineering, College of Engineering, King Saud University, PO Box 800, Riyadh 11421, Saudi Arabia
- Department of Civil Engineering, Z. H. College of Engineering, Aligarh Muslim University, Aligarh 202 002, India
| | - Manish Kumar
- Discipline of Earth Sciences, Indian Institute of Technology, Gandhinagar, 382355, India
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Farag EA, Islam MM, Enan K, El-Hussein ARM, Bansal D, Haroun M. SARS-CoV-2 at the human-animal interphase: A review. Heliyon 2021; 7:e08496. [PMID: 34869934 PMCID: PMC8626158 DOI: 10.1016/j.heliyon.2021.e08496] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 09/29/2021] [Accepted: 11/24/2021] [Indexed: 12/15/2022] Open
Abstract
Since its emergence in China in December 2019, COVID-19 remains the recent leading disease of concern drawing the public health attention globally. The disease is known of viral origin and zoonotic nature originating from animals. However, to date neither the source of the spillover nor the intermediate hosts are identified. Moreover, the public health situation is intermittently aggravated by identification of new animals susceptible to the SARS-CoV-2 infection, potentially replicating the virus and maintaining intra and interspecies spread of the disease. Although the role of a given animal and/or its produce is important to map the disease pattern, continuous efforts should be undertaken to further understand the epidemiology of SARS-CoV-2, a vital step to establish effective disease prevention and control strategy. This manuscript attempted to review updates regarding SARS-CoV-2 infection at the human-animal interface with consideration to postulations on the genetic relatedness and origin of the different SARS-CoV-2 variants isolated from different animal species. Also, the review addresses the possible role of different animal species and their produce in transmission of the disease. Also, the manuscript discussed the contamination potentiality of the virus and its environmental stability. Finally, we reviewed the currently instituted measures to prevent and manage the spread of SARS-CoV-2 infection. The manuscript suggested the One Health based control measures that could prove of value for the near future.
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Affiliation(s)
| | - Md Mazharul Islam
- Department of Animal Resources, Ministry of Municipality and Environment, Doha, Qatar
| | - Khalid Enan
- Department of Animal Resources, Ministry of Municipality and Environment, Doha, Qatar
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Wang Q, Liu L. On the Critical Role of Human Feces and Public Toilets in the Transmission of COVID-19: Evidence from China. SUSTAINABLE CITIES AND SOCIETY 2021; 75:103350. [PMID: 34540563 PMCID: PMC8433098 DOI: 10.1016/j.scs.2021.103350] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 09/08/2021] [Accepted: 09/08/2021] [Indexed: 05/05/2023]
Abstract
The surprising spread speed of the COVID-19 pandemic creates an urgent need for investigating the transmission chain or transmission pattern of COVID-19 beyond the traditional respiratory channels. This study therefore examines whether human feces and public toilets play a critical role in the transmission of COVID-19. First, it develops a theoretical model that simulates the transmission chain of COVID-19 through public restrooms. Second, it uses stabilized epidemic data from China to empirically examine this theory, conducting an empirical estimation using a two-stage least squares (2SLS) model with appropriate instrumental variables (IVs). This study confirms that the wastewater directly promotes the transmission of COVID-19 within a city. However, the role of garbage in this transmission chain is more indirect in the sense that garbage has a complex relationship with public toilets, and it promotes the transmission of COVID-19 within a city through interaction with public toilets and, hence, human feces. These findings have very strong policy implications in the sense that if we can somehow use the ratio of public toilets as a policy instrument, then we can find a way to minimize the total number of infections in a region. As shown in this study, pushing the ratio of public toilets (against open defecation) to the local population in a city to its optimal level would help to reduce the total infection in a region.
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Affiliation(s)
- Qiuyun Wang
- School of Economics, Southwestern University of Finance and Economics, P.R China
| | - Lu Liu
- School of Economics, Southwestern University of Finance and Economics, P.R China
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Chaisuwan W, Phimolsiripol Y, Chaiyaso T, Techapun C, Leksawasdi N, Jantanasakulwong K, Rachtanapun P, Wangtueai S, Sommano SR, You S, Regenstein JM, Barba FJ, Seesuriyachan P. The Antiviral Activity of Bacterial, Fungal, and Algal Polysaccharides as Bioactive Ingredients: Potential Uses for Enhancing Immune Systems and Preventing Viruses. Front Nutr 2021; 8:772033. [PMID: 34805253 PMCID: PMC8602887 DOI: 10.3389/fnut.2021.772033] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2021] [Accepted: 10/15/2021] [Indexed: 12/23/2022] Open
Abstract
Viral infections may cause serious human diseases. For instance, the recent appearance of the novel virus, SARS-CoV-2, causing COVID-19, has spread globally and is a serious public health concern. The consumption of healthy, proper, functional, and nutrient-rich foods has an important role in enhancing an individual's immune system and preventing viral infections. Several polysaccharides from natural sources such as algae, bacteria, and fungi have been considered as generally recognized as safe (GRAS) by the US Food and Drug Administration. They are safe, low-toxicity, biodegradable, and have biological activities. In this review, the bioactive polysaccharides derived from various microorganisms, including bacteria, fungi, and algae were evaluated. Antiviral mechanisms of these polysaccharides were discussed. Finally, the potential use of microbial and algal polysaccharides as an antiviral and immune boosting strategy was addressed. The microbial polysaccharides exhibited several bioactivities, including antioxidant, anti-inflammatory, antimicrobial, antitumor, and immunomodulatory activities. Some microbes are able to produce sulfated polysaccharides, which are well-known to exert a board spectrum of biological activities, especially antiviral properties. Microbial polysaccharide can inhibit various viruses using different mechanisms. Furthermore, these microbial polysaccharides are also able to modulate immune responses to prevent and/or inhibit virus infections. There are many molecular factors influencing their bioactivities, e.g., functional groups, conformations, compositions, and molecular weight. At this stage of development, microbial polysaccharides will be used as adjuvants, nutrient supplements, and for drug delivery to prevent several virus infections, especially SARS-CoV-2 infection.
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Affiliation(s)
- Worraprat Chaisuwan
- Interdisciplinary Program in Biotechnology, Graduate School, Chiang Mai University, Chiang Mai, Thailand
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
| | - Yuthana Phimolsiripol
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
| | - Thanongsak Chaiyaso
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
| | - Charin Techapun
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
| | - Noppol Leksawasdi
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
| | - Kittisak Jantanasakulwong
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
| | - Pornchai Rachtanapun
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
| | - Sutee Wangtueai
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
- College of Maritime Studies and Management, Chiang Mai University, Samut Sakhon, Thailand
| | - Sarana Rose Sommano
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
- Plant Bioactive Compound Laboratory (BAC), Department of Plant and Soil Sciences, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand
| | - SangGuan You
- Department of Marine Food Science and Technology, Gangneung-Wonju National University, Gangneung, South Korea
| | - Joe M. Regenstein
- Department of Food Science, College of Agriculture and Life Science, Cornell University, Ithaca, NY, United States
| | - Francisco J. Barba
- Department of Preventive Medicine and Public Health, Food Science, Toxicology and Forensic Medicine, Faculty of Pharmacy, Universitat de València, Valencia, Spain
| | - Phisit Seesuriyachan
- Faculty of Agro-Industry, Chiang Mai University, Chiang Mai, Thailand
- Cluster of Agro Bio-Circular-Green Industry (Agro-BCG), Chiang Mai University, Chiang Mai, Thailand
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Cruz R, Lima-Silva AE, Bertuzzi R, Hoinaski L. Exercising under particulate matter exposure: Providing theoretical support for lung deposition and its relationship with COVID-19. ENVIRONMENTAL RESEARCH 2021; 202:111755. [PMID: 34302823 PMCID: PMC8295105 DOI: 10.1016/j.envres.2021.111755] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Revised: 06/07/2021] [Accepted: 07/09/2021] [Indexed: 06/13/2023]
Abstract
The aim of the present study was to investigate lung particulate matter (PM) deposition during endurance exercise and provide a new insight concerning how SARS-CoV-2 could be carried into the respiratory tract. The anatomical and physiological characteristics of the Human Respiratory Tract model were considered for modeling the lung PM deposition during exercise. The Monte Carlo method was performed to randomly generate different values of PM concentrations (1.0, 2.5, and 10.0 μm), minute ventilation, and duration of exercise at moderate, heavy, and severe exercise intensity domains. Compared to moderate and severe intensities, during heavy exercise (75-115 L‧min-1, duration of 10.0-60.0 min) there is greater lung deposition in the bronchiolar region (p < 0.01). In turn, there is greater deposition per minute of exercise at the severe intensity domain (115.0-145.0 L‧min-1, duration of 10.0-20.0 min, p < 0.01). Considering that SARs-CoV-2 could be adsorbed on the particles, exercising under PM exposure, mainly at the severe domain, could be harmful concerning the virus. In conclusion, beyond the traditional minute ventilation assumption, there is a time vs intensity dependence for PM deposition, whereby the severe domain presents greater deposition per minute of exercise. The results observed for PM deposition are alarming since SARs-CoV-2 could be adsorbed by particles and carried into the deeper respiratory tract.
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Affiliation(s)
- Ramon Cruz
- Sports Center, Department of Physical Education, Federal University of Santa Catarina, Florianopolis, SC, Brazil
| | - Adriano E Lima-Silva
- Human Performance Research Group, Academic Department of Physical Education (DAEFI), Federal University of Technology Parana, Curitiba, PR, Brazil
| | - Romulo Bertuzzi
- Endurance Performance Research Group (GEDAE-USP), School of Physical Education and Sport, University of São Paulo, São Paulo, SP, Brazil
| | - Leonardo Hoinaski
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil.
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Yaniv K, Shagan M, Lewis YE, Kramarsky-Winter E, Weil M, Indenbaum V, Elul M, Erster O, Brown AS, Mendelson E, Mannasse B, Shirazi R, Lakkakula S, Miron O, Rinott E, Baibich RG, Bigler I, Malul M, Rishti R, Brenner A, Friedler E, Gilboa Y, Sabach S, Alfiya Y, Cheruti U, Moran-Gilad J, Berchenko Y, Bar-Or I, Kushmaro A. City-level SARS-CoV-2 sewage surveillance. CHEMOSPHERE 2021; 283:131194. [PMID: 34467943 PMCID: PMC8217074 DOI: 10.1016/j.chemosphere.2021.131194] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 04/21/2021] [Accepted: 06/09/2021] [Indexed: 05/09/2023]
Abstract
The COVID-19 pandemic created a global crisis impacting not only healthcare systems, but also economics and society. Therefore, it is important to find novel methods for monitoring disease activity. Recent data have indicated that fecal shedding of SARS-CoV-2 is common, and that viral RNA can be detected in wastewater. This suggests that wastewater monitoring is a potentially efficient tool for both epidemiological surveillance, and early warning for SARS-CoV-2 circulation at the population level. In this study we sampled an urban wastewater infrastructure in the city of Ashkelon (̴ 150,000 population), Israel, during the end of the first COVID-19 wave in May 2020 when the number of infections seemed to be waning. We were able to show varying presence of SARS-CoV-2 RNA in wastewater from several locations in the city during two sampling periods, before the resurgence was clinically apparent. This was expressed with a new index, Normalized Viral Load (NVL) which can be used in different area scales to define levels of virus activity such as red (high) or green (no), and to follow morbidity in the population at the tested area. The rise in viral load between the two sampling periods (one week apart) indicated an increase in morbidity that was evident two weeks to a month later in the population. Thus, this methodology may provide an early indication for SARS-CoV-2 infection outbreak in a population before an outbreak is clinically apparent.
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Affiliation(s)
- Karin Yaniv
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, PO Box 653, BeerSheva 8410501, Israel
| | - Marilou Shagan
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, PO Box 653, BeerSheva 8410501, Israel
| | | | - Esti Kramarsky-Winter
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, PO Box 653, BeerSheva 8410501, Israel
| | - Merav Weil
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | | | - Michal Elul
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | - Oran Erster
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | - Alin Sela Brown
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | - Ella Mendelson
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel; School of Public Health, Sackler Faculty of Medicine, Tel-Aviv University, Tel-Aviv, Israel
| | - Batya Mannasse
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | - Rachel Shirazi
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | - Satish Lakkakula
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, PO Box 653, BeerSheva 8410501, Israel
| | - Oren Miron
- Department of Health Systems Management, School of Public Health, Faculty of Health Science, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Ehud Rinott
- Department of Health Systems Management, School of Public Health, Faculty of Health Science, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | | | - Iris Bigler
- KANDO, Environment Services Ltd, Tsor St 8, Kokhav Ya'ir Tzur Yigal, Israel
| | - Matan Malul
- KANDO, Environment Services Ltd, Tsor St 8, Kokhav Ya'ir Tzur Yigal, Israel
| | - Rotem Rishti
- KANDO, Environment Services Ltd, Tsor St 8, Kokhav Ya'ir Tzur Yigal, Israel
| | - Asher Brenner
- Department of Civil and Environmental Engineering, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Eran Friedler
- Faculty of Civ. and Env. Eng., Technion-Israel Inst. of Technology, Haifa, 32000, Israel
| | - Yael Gilboa
- Faculty of Civ. and Env. Eng., Technion-Israel Inst. of Technology, Haifa, 32000, Israel
| | - Sara Sabach
- Faculty of Civ. and Env. Eng., Technion-Israel Inst. of Technology, Haifa, 32000, Israel
| | - Yuval Alfiya
- Faculty of Civ. and Env. Eng., Technion-Israel Inst. of Technology, Haifa, 32000, Israel
| | - Uta Cheruti
- Faculty of Civ. and Env. Eng., Technion-Israel Inst. of Technology, Haifa, 32000, Israel
| | - Jacob Moran-Gilad
- Department of Health Systems Management, School of Public Health, Faculty of Health Science, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Yakir Berchenko
- Department of Industrial Engineering and Management, Ben-Gurion University of the Negev, Beer-Sheva, 84105, Israel
| | - Itay Bar-Or
- Central Virology Lab, Ministry of Health, Sheba Medical Center, Israel
| | - Ariel Kushmaro
- Avram and Stella Goldstein-Goren Department of Biotechnology Engineering, Ben-Gurion University of the Negev, PO Box 653, BeerSheva 8410501, Israel; The Ilse Katz Center for Meso and Nanoscale Science and Technology, Ben-Gurion University of the Negev, Be'er Sheva, 8410501, Israel.
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Meskini M, Rezghi Rami M, Maroofi P, Ghosh S, Siadat SD, Sheikhpour M. An Overview on the Epidemiology and Immunology of COVID-19. J Infect Public Health 2021; 14:1284-1298. [PMID: 34420903 PMCID: PMC8336978 DOI: 10.1016/j.jiph.2021.07.021] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 12/19/2022] Open
Abstract
Coronaviruses are a large family of viruses that cause illnesses ranging from the common cold to more severe diseases such as Middle East Respiratory Syndrome (MERS), Severe Acute Respiratory Syndrome (SARS), and the 2019 novel coronavirus infection (COVID-19). Currently, there is no analyzed data to examine the outbreak of COVID-19 by continent and no determination of prevalence trends; this article reviews COVID-19 epidemiology and immunology. Original research, reviews, governmental databases, and treatment guidelines are analyzed to present the epidemiology and immunology of COVID-19. Reports from patients who were COVID-19 infected showed typical symptoms of neutrophilia, lymphopenia, and increased systemic inflammatory proteins of IL-6 and C reactive protein (CRP). These observations agree with the results of severe conditions of MERS or lethal cases of SARS, in which there is an increased presence of neutrophils and macrophages in the airways. Additionally, analyzed data showed that Europe (49.37%), the Americas (27.4%), and Eastern Mediterranean (10.07%) had the most cumulative total per 100,000 population confirmed cases, and Africa (6.9%), Western Pacific (3.46%), and South-East Asia (2.72%) had the lowest cumulative total per 100,000 population confirmed cases. In general, the trend lines showed that the number of confirmed cases (cumulative total) and deaths (cumulative total) would decrease eventually.
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Affiliation(s)
- Maryam Meskini
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran; Mycobacteriology & Pulmonary Research Department, Pasteur Institute of Iran, Tehran, Iran.
| | - Mina Rezghi Rami
- Department of Chemistry, K. N. Toosi University of Technology, P. O. Box 15875-4416, Tehran, Iran.
| | - Parang Maroofi
- Department of Epidemiology, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Soumya Ghosh
- Department of Genetics, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, 9300, South Africa.
| | - Seyed Davar Siadat
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran; Mycobacteriology & Pulmonary Research Department, Pasteur Institute of Iran, Tehran, Iran.
| | - Mojgan Sheikhpour
- Microbiology Research Center, Pasteur Institute of Iran, Tehran, Iran; Mycobacteriology & Pulmonary Research Department, Pasteur Institute of Iran, Tehran, Iran.
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Krivoňáková N, Šoltýsová A, Tamáš M, Takáč Z, Krahulec J, Ficek A, Gál M, Gall M, Fehér M, Krivjanská A, Horáková I, Belišová N, Bímová P, Škulcová AB, Mackuľak T. Mathematical modeling based on RT-qPCR analysis of SARS-CoV-2 in wastewater as a tool for epidemiology. Sci Rep 2021; 11:19456. [PMID: 34593871 PMCID: PMC8484274 DOI: 10.1038/s41598-021-98653-x] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/09/2021] [Indexed: 02/06/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) pandemic caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) emerges to scientific research and monitoring of wastewaters to predict the spread of the virus in the community. Our study investigated the COVID-19 disease in Bratislava, based on wastewater monitoring from September 2020 until March 2021. Samples were analyzed from two wastewater treatment plants of the city with reaching 0.6 million monitored inhabitants. Obtained results from the wastewater analysis suggest significant statistical dependence. High correlations between the number of viral particles in wastewater and the number of reported positive nasopharyngeal RT-qPCR tests of infected individuals with a time lag of 2 weeks/12 days (R2 = 83.78%/R2 = 52.65%) as well as with a reported number of death cases with a time lag of 4 weeks/27 days (R2 = 83.21%/R2 = 61.89%) was observed. The obtained results and subsequent mathematical modeling will serve in the future as an early warning system for the occurrence of a local site of infection and, at the same time, predict the load on the health system up to two weeks in advance.
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Affiliation(s)
- Naďa Krivoňáková
- Institute of Information Engineering, Automation, and Mathematics, Department of Mathematics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovakia
| | - Andrea Šoltýsová
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Ilkovičova 6, 842 15, Bratislava, Slovakia
- Institute for Clinical and Translational Research, Biomedical Research Center, Slovak Academy of Sciences, Dúbravska Cesta 9, 84505, Bratislava, Slovakia
| | - Michal Tamáš
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic.
| | - Zdenko Takáč
- Institute of Information Engineering, Automation, and Mathematics, Department of Mathematics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovakia
| | - Ján Krahulec
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Ilkovičova 6, 842 15, Bratislava, Slovakia
| | - Andrej Ficek
- Department of Molecular Biology, Faculty of Natural Sciences, Comenius University, Ilkovičova 6, 842 15, Bratislava, Slovakia
| | - Miroslav Gál
- Department of Inorganic Technology, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovakia
| | - Marián Gall
- Institute of Information Engineering, Automation, and Mathematics, Department of Mathematics, Faculty of Chemical and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovakia
| | - Miroslav Fehér
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
| | - Anna Krivjanská
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
| | - Ivana Horáková
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
| | - Noemi Belišová
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
| | - Paula Bímová
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
| | - Andrea Butor Škulcová
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
| | - Tomáš Mackuľak
- Department of Environmental Engineering, Faculty of Chemistry and Food Technology, Slovak University of Technology in Bratislava, Radlinského 9, 812 37, Bratislava, Slovak Republic
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Phacoemulsification and nucleic acid-enriched aerosol: considerations from an eye model of cataract simulation. Graefes Arch Clin Exp Ophthalmol 2021; 259:3721-3727. [PMID: 34436645 PMCID: PMC8387550 DOI: 10.1007/s00417-021-05350-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 07/16/2021] [Accepted: 07/27/2021] [Indexed: 11/20/2022] Open
Abstract
Purpose The purpose of this study is to investigate whether phacoemulsification can generate aerosolized single-stranded RNA (ssRNA) and retain sequence integrity using an artificial eye model for experimental cataract surgery. Methods A simulation of cataract surgery was performed using an anterior chamber eye model filled with an ssRNA probe at different scalar dilutions (kanamycin positive control ssRNA). A plastic conical cage was built over the artificial eye surface of the mock-up. A total of 24 tests (twice reproduced) were performed, and five nitrocellulose strips were placed 15 cm from the artificial surface of the mock-up and used to collect aerosol particles, from each experiment. Phaco-activity was mimicked using a phacoemulsification equipped with a 2.75-mm tip, and strips were removed at the end of the procedure. RNA extraction, reverse transcription, and agarose gel electrophoresis were performed and compared. Results Strips collected aerosol droplets enriched with ssRNA, mainly at the higher concentrations tested, compared to related untouched standard solutions. Complementary DNA (cDNA) synthesis confirmed the presence of intact ssRNA fragments. As observed from densitometric analysis of resolved RNA in extracted samples and cDNA bands after retro-transcription, lower concentrations of ssRNA were also detected. Conclusions As the main output of the study, the phaco-generated aerosol can deliver an intact ssRNA sequence. Since the aerosol can potentially reach the operator’s face, any biological agent (virus/bacteria) potentially inside the anterior chamber of a patient undergoing cataract surgery, eventually escaping from biomolecular checks, can be potentially infective for operators. The data reported herein suggest that collective versus individual protective countermeasures should always be encouraged in ocular surgery and should not be restricted to coronavirus disease emergencies.
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Zhang F, Wang Z, Vijver MG, Peijnenburg WJGM. Probing nano-QSAR to assess the interactions between carbon nanoparticles and a SARS-CoV-2 RNA fragment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 219:112357. [PMID: 34044308 PMCID: PMC8133531 DOI: 10.1016/j.ecoenv.2021.112357] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2021] [Revised: 05/16/2021] [Accepted: 05/17/2021] [Indexed: 05/06/2023]
Abstract
The coronavirus disease-19 (COVID-19) pandemic caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is rampant in the world and is a serious threat to global health. The SARS-CoV-2 RNA has been detected in various environmental media, which speeds up the pace of the virus becoming a global biological pollutant. Because many engineered nanomaterials (ENMs) are capable of inducing anti-microbial activity, ENMs provide excellent solutions to overcome the virus pandemic, for instance by application as protective coatings, biosensors, or nano-agents. To tackle some mechanistic issues related to the impact of ENMs on SARS-CoV-2, we investigated the molecular interactions between carbon nanoparticles (CNPs) and a SARS-CoV-2 RNA fragment (i.e., a model molecule of frameshift stimulation element from the SARS-CoV-2 RNA genome) using molecular mechanics simulations. The interaction affinity between the CNPs and the SARS-CoV-2 RNA fragment increased in the order of fullerenes < graphenes < carbon nanotubes. Furthermore, we developed quantitative structure-activity relationship (QSAR) models to describe the interactions of 17 different types of CNPs from three dimensions with the SARS-CoV-2 RNA fragment. The QSAR models on the interaction energies of CNPs with the SARS-CoV-2 RNA fragment show high goodness-of-fit and robustness. Molecular weight, surface area, and the sum of degrees of every carbon atom were found to be the primary structural descriptors of CNPs determining the interactions. Our research not only offers a theoretical insight into the adsorption/separation and inactivation of SARS-CoV-2, but also allows to design novel ENMs which act efficiently on the genetic material RNA of SARS-CoV-2. This contributes to minimizing the challenge of time-consuming and labor-intensive virus experiments under high risk of infection, whilst meeting our precautionary demand for options to handle any new versions of the coronavirus that might emerge in the future.
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Affiliation(s)
- Fan Zhang
- Institute of Environmental Sciences (CML), Leiden University, Leiden 2300 RA, The Netherlands
| | - Zhuang Wang
- School of Environmental Science and Engineering, Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, Nanjing University of Information Science and Technology, Nanjing 210044, PR China
| | - Martina G Vijver
- Institute of Environmental Sciences (CML), Leiden University, Leiden 2300 RA, The Netherlands.
| | - Willie J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, Leiden 2300 RA, The Netherlands; Centre for Safety of Substances and Products, National Institute of Public Health and the Environment (RIVM), Bilthoven 3720 BA, The Netherlands.
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