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Nurmukanova V, Matsvay A, Gordukova M, Shipulin G. Square the Circle: Diversity of Viral Pathogens Causing Neuro-Infectious Diseases. Viruses 2024; 16:787. [PMID: 38793668 PMCID: PMC11126052 DOI: 10.3390/v16050787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Revised: 05/08/2024] [Accepted: 05/10/2024] [Indexed: 05/26/2024] Open
Abstract
Neuroinfections rank among the top ten leading causes of child mortality globally, even in high-income countries. The crucial determinants for successful treatment lie in the timing and swiftness of diagnosis. Although viruses constitute the majority of infectious neuropathologies, diagnosing and treating viral neuroinfections remains challenging. Despite technological advancements, the etiology of the disease remains undetermined in over half of cases. The identification of the pathogen becomes more difficult when the infection is caused by atypical pathogens or multiple pathogens simultaneously. Furthermore, the modern surge in global passenger traffic has led to an increase in cases of infections caused by pathogens not endemic to local areas. This review aims to systematize and summarize information on neuroinvasive viral pathogens, encompassing their geographic distribution and transmission routes. Emphasis is placed on rare pathogens and cases involving atypical pathogens, aiming to offer a comprehensive and structured catalog of viral agents with neurovirulence potential.
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Affiliation(s)
- Varvara Nurmukanova
- Federal State Budgetary Institution “Centre for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency, 119121 Moscow, Russia
| | - Alina Matsvay
- Federal State Budgetary Institution “Centre for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency, 119121 Moscow, Russia
| | - Maria Gordukova
- G. Speransky Children’s Hospital No. 9, 123317 Moscow, Russia
| | - German Shipulin
- Federal State Budgetary Institution “Centre for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency, 119121 Moscow, Russia
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Mogotsi MT, Ogunbayo AE, O’Neill HG, Nyaga MM. High Detection Frequency of Vaccine-Associated Polioviruses and Non-Polio Enteroviruses in the Stools of Asymptomatic Infants from the Free State Province, South Africa. Microorganisms 2024; 12:920. [PMID: 38792747 PMCID: PMC11124149 DOI: 10.3390/microorganisms12050920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Revised: 04/24/2024] [Accepted: 04/25/2024] [Indexed: 05/26/2024] Open
Abstract
Enterovirus (EV) infections are widespread and associated with a range of clinical conditions, from encephalitis to meningitis, gastroenteritis, and acute flaccid paralysis. Knowledge about the circulation of EVs in neonatal age and early infancy is scarce, especially in Africa. This study aimed to unveil the frequency and diversity of EVs circulating in apparently healthy newborns from the Free State Province, South Africa (SA). For this purpose, longitudinally collected faecal specimens (May 2021-February 2022) from a cohort of 17 asymptomatic infants were analysed using metagenomic next-generation sequencing. Overall, seven different non-polio EV (NPEV) subtypes belonging to EV-B and EV-C species were identified, while viruses classified under EV-A and EV-D species could not be characterised at the sub-species level. Additionally, under EV-C species, two vaccine-related poliovirus subtypes (PV1 and PV3) were identified. The most prevalent NPEV species was EV-B (16/17, 94.1%), followed by EV-A (3/17, 17.6%), and EV-D (4/17, 23.5%). Within EV-B, the commonly identified NPEV types included echoviruses 6, 13, 15, and 19 (E6, E13, E15, and E19), and coxsackievirus B2 (CVB2), whereas enterovirus C99 (EV-C99) and coxsackievirus A19 (CVA19) were the only two NPEVs identified under EV-C species. Sabin PV1 and PV3 strains were predominantly detected during the first week of birth and 6-8 week time points, respectively, corresponding with the OPV vaccination schedule in South Africa. A total of 11 complete/near-complete genomes were identified from seven NPEV subtypes, and phylogenetic analysis of the three EV-C99 identified revealed that our strains were closely related to other strains from Cameroon and Brazil, suggesting global distribution of these strains. This study provides an insight into the frequency and diversity of EVs circulating in asymptomatic infants from the Free State Province, with the predominance of subtypes from EV-B and EV-C species. This data will be helpful to researchers looking into strategies for the control and treatment of EV infection.
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Affiliation(s)
- Milton T. Mogotsi
- Next Generation Sequencing Unit and Division of Virology, Faculty of Health Sciences, University of the Free State, Bloemfontein 9300, South Africa; (M.T.M.); (A.E.O.)
| | - Ayodeji E. Ogunbayo
- Next Generation Sequencing Unit and Division of Virology, Faculty of Health Sciences, University of the Free State, Bloemfontein 9300, South Africa; (M.T.M.); (A.E.O.)
| | - Hester G. O’Neill
- Department of Microbiology and Biochemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein 9300, South Africa;
| | - Martin M. Nyaga
- Next Generation Sequencing Unit and Division of Virology, Faculty of Health Sciences, University of the Free State, Bloemfontein 9300, South Africa; (M.T.M.); (A.E.O.)
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Georgieva I, Stoyanova A, Stoitsova S, Nikolaeva-Glomb L. Echovirus 30 in Bulgaria during the European Upsurge of the Virus, 2017-2018. Pathogens 2024; 13:143. [PMID: 38392881 PMCID: PMC10893257 DOI: 10.3390/pathogens13020143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/02/2024] [Accepted: 02/03/2024] [Indexed: 02/25/2024] Open
Abstract
In 2018, an increase in echovirus 30 (E30) detections was reported in some European countries. To assess the circulation and phylogenetic relationships of E30 in Bulgaria, E30 samples identified at the National Reference Laboratory for Enteroviruses, National Centre of Infectious and Parasitic Diseases, Bulgaria (NRL for Enteroviruses) in 2017 and 2018 were subjected to sequencing and phylogenetic analysis. The present study revealed that sample positivity did not significantly increase in Bulgaria during the European upsurge. E30 was identified in six patients, two of whom were epidemiologically linked. The maximum-likelihood phylogenetic tree showed that sequences from five patients belonged to the G1 lineage (clades G1a and G1b). The sequence from one patient belonged to the G2 lineage and was grouped closer to sequences from the last E30 outbreak in Bulgaria in 2012. No recombination events were detected. The European E30 upsurge in 2018 was caused by two clades, and one of them was G1. The fact that the majority of the Bulgarian samples belonged to G1 indicated that the virus was present in the country but did not cause a local upsurge. Phylogenetic and epidemiological data indicated sporadic E30 cases and a possible shift towards G1 lineage in 2017 and 2018.
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Affiliation(s)
- Irina Georgieva
- National Reference Laboratory for Enteroviruses, Department of Virology, National Centre of Infectious and Parasitic Diseases, 1233 Sofia, Bulgaria (L.N.-G.)
| | - Asya Stoyanova
- National Reference Laboratory for Enteroviruses, Department of Virology, National Centre of Infectious and Parasitic Diseases, 1233 Sofia, Bulgaria (L.N.-G.)
| | - Savina Stoitsova
- Department of Epidemiology, National Centre of Infectious and Parasitic Diseases, 1504 Sofia, Bulgaria
| | - Lubomira Nikolaeva-Glomb
- National Reference Laboratory for Enteroviruses, Department of Virology, National Centre of Infectious and Parasitic Diseases, 1233 Sofia, Bulgaria (L.N.-G.)
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Wang H, Fang Y, Jia Y, Tang J, Dong C. In silico epitope prediction and evolutionary analysis reveals capsid mutation patterns for enterovirus B. PLoS One 2023; 18:e0290584. [PMID: 37639390 PMCID: PMC10461833 DOI: 10.1371/journal.pone.0290584] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 08/10/2023] [Indexed: 08/31/2023] Open
Abstract
Enterovirus B (EVB) is a common species of enterovirus, mainly consisting of Echovirus (Echo) and Coxsackievirus B (CVB). The population is generally susceptible to EVB, especially among children. Since the 21st century, EVB has been widely prevalent worldwide, and can cause serious diseases, such as viral meningitis, myocarditis, and neonatal sepsis. By using cryo-electron microscopy, the three-dimensional (3D) structures of EVB and their uncoating receptors (FcRn and CAR) have been determined, laying the foundation for the study of viral pathogenesis and therapeutic antibodies. A limited number of epitopes bound to neutralizing antibodies have also been determined. It is unclear whether additional epitopes are present or whether epitope mutations play a key role in molecular evolutionary history and epidemics, as in influenza and SARS-CoV-2. In the current study, the conformational epitopes of six representative EVB serotypes (E6, E11, E30, CVB1, CVB3 and CVB5) were systematically predicted by bioinformatics-based epitope prediction algorithm. We found that their epitopes were distributed into three clusters, where the VP1 BC loop, C-terminus and VP2 EF loop were the main regions of EVB epitopes. Among them, the VP1 BC loop and VP2 EF loop may be the key epitope regions that determined the use of the uncoating receptors. Further molecular evolution analysis based on the VP1 and genome sequences showed that the VP1 C-terminus and VP2 EF loop, as well as a potential "breathing epitope" VP1 N-terminus, were common mutation hotspot regions, suggesting that the emergence of evolutionary clades was driven by epitope mutations. Finally, footprints showed mutations were located on or near epitopes, while mutations on the receptor binding sites were rare. This suggested that EVB promotes viral epidemics by breaking the immune barrier through epitope mutations, but the mutations avoided the receptor binding sites. The bioinformatics study of EVB epitopes may provide important information for the monitoring and early warning of EVB epidemics and developing therapeutic antibodies.
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Affiliation(s)
- Hui Wang
- Zhejiang Provincial Key Laboratory of Pathological and Physiological Technology, School of Public Health, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Yulu Fang
- Zhejiang Provincial Key Laboratory of Pathological and Physiological Technology, School of Public Health, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Yongtao Jia
- Zhejiang Provincial Key Laboratory of Pathological and Physiological Technology, School of Public Health, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Jiajie Tang
- Zhejiang Provincial Key Laboratory of Pathological and Physiological Technology, School of Public Health, Health Science Center, Ningbo University, Ningbo, 315211, China
| | - Changzheng Dong
- Zhejiang Provincial Key Laboratory of Pathological and Physiological Technology, School of Public Health, Health Science Center, Ningbo University, Ningbo, 315211, China
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Liang Y, Chen J, Wang C, Yu B, Zhang Y, Liu Z. Investigating the mechanism of Echovirus 30 cell invasion. Front Microbiol 2023; 14:1174410. [PMID: 37485505 PMCID: PMC10359910 DOI: 10.3389/fmicb.2023.1174410] [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: 02/26/2023] [Accepted: 06/23/2023] [Indexed: 07/25/2023] Open
Abstract
Viruses invade susceptible cells through a complex mechanism before injecting their genetic material into them. This causes direct damage to the host cell, as well as resulting in disease in the corresponding system. Echovirus type 30 (E30) is a member of the Enterovirus B group and has recently been reported to cause central nervous system (CNS) disorders, leading to viral encephalitis and viral meningitis in children. In this review, we aim to help in improving the understanding of the mechanisms of CNS diseases caused by E30 for the subsequent development of relevant drugs and vaccines.
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Affiliation(s)
- Yucai Liang
- Department of Microbiology, Weifang Medical University, Weifang, China
| | - Junbing Chen
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Gastrointestinal Cancer Center, Peking University Cancer Hospital and Institute, Beijing, China
| | - Congcong Wang
- Department of Microbiology, Weifang Medical University, Weifang, China
| | - Bowen Yu
- Department of Immunology, Weifang Medical University, Weifang, China
| | - Yong Zhang
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Zhijun Liu
- Department of Microbiology, Weifang Medical University, Weifang, China
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Novikov DV, Melentev DA. [Enteroviral (Picornaviridae: Enterovirus) (nonpolio) vaccines]. Vopr Virusol 2022; 67:185-192. [PMID: 35831961 DOI: 10.36233/0507-4088-111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
Non-polio enteroviruses (NPEVs) are ubiquitous and are one of the main causative agents of viral infections in children. NPEVs most commonly infect newborns and young children, due to their lack of antibodies. In children, clinical manifestations can range from acute febrile illness to severe complications that require hospitalization and lead in some cases to disability or death. NPEV infections can have severe consequences, such as polio-like diseases, serous meningitis, meningoencephalitis, myocarditis, etc. The most promising strategy for preventing such diseases is vaccination. No less than 53 types of NPEVs have been found to circulate in Russia. However, of epidemic importance are the causative agents of exanthemic forms of the disease, aseptic meningitis and myocarditis. At the same time, the frequency of NPEV detection in the constituent entities of the Russian Federation is characterized by uneven distribution and seasonal upsurges. The review discusses the epidemic significance of different types of enteroviruses, including those relevant to the Russian Federation, as well as current technologies used to create enterovirus vaccines for the prevention of serious diseases.
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Affiliation(s)
- D V Novikov
- 1Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology
| | - D A Melentev
- Academician I.N. Blokhina Nizhny Novgorod Scientific Research Institute of Epidemiology and Microbiology; N.I. Lobachevsky State University of Nizhny Novgorod
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An In Vivo Model of Echovirus-Induced Meningitis Defines the Differential Roles of Type I and Type III Interferon Signaling in Central Nervous System Infection. J Virol 2022; 96:e0033022. [PMID: 35699446 DOI: 10.1128/jvi.00330-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Echoviruses are among the most common worldwide causes of aseptic meningitis, which can cause long-term sequelae and death, particularly in neonates. However, the mechanisms by which these viruses induce meningeal inflammation are poorly understood, owing at least in part to the lack of in vivo models that recapitulate this aspect of echovirus pathogenesis. Here, we developed an in vivo neonatal mouse model that recapitulates key aspects of echovirus-induced meningitis. We show that expression of the human homologue of the primary echovirus receptor, the neonatal Fc receptor (FcRn), is not sufficient for infection of the brains of neonatal mice. However, ablation of type I, but not III, interferon (IFN) signaling in mice expressing human FcRn permitted high levels of echovirus replication in the brain, with corresponding clinical symptoms, including delayed motor skills and hind-limb weakness. Using this model, we defined the immunological response of the brain to echovirus infection and identified key cytokines, such as granulocyte colony-stimulating factor (G-CSF) and interleukin 6 (IL-6), that were induced by this infection. Lastly, we showed that echoviruses specifically replicate in the leptomeninges, where they induce profound inflammation and cell death. Together, this work establishes an in vivo model of aseptic meningitis associated with echovirus infections that delineates the differential roles of type I and type III IFNs in echovirus-associated neuronal disease and defines the specificity of echoviral infections within the meninges. IMPORTANCE Echoviruses are among the most common worldwide causes of aseptic meningitis, which can cause long-term sequelae or even death. The mechanisms by which echoviruses infect the brain are poorly understood, largely owing to the lack of robust in vivo models that recapitulate this aspect of echovirus pathogenesis. Here, we establish a neonatal mouse model of echovirus-induced aseptic meningitis and show that expression of the human homologue of the FcRn, the primary receptor for echoviruses, and ablation of type I IFN signaling are required to recapitulate echovirus-induced meningitis and clinical disease. These findings provide key insights into the host factors that control echovirus-induced meningitis and a model that could be used to test anti-echovirus therapeutics.
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Tian X, Han Z, He Y, Sun Q, Wang W, Xu W, Li H, Zhang Y. Temporal phylogeny and molecular characterization of echovirus 30 associated with aseptic meningitis outbreaks in China. Virol J 2021; 18:118. [PMID: 34092258 PMCID: PMC8182919 DOI: 10.1186/s12985-021-01590-4] [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: 03/11/2021] [Accepted: 05/28/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND An outbreak of aseptic meningitis occurred from June to August 2016, in Inner Mongolia Autonomous Region, China. METHODS To determine its epidemiological characteristics, etiologic agent, and possible origin, specimens were collected for virus isolation and identification, followed by molecular epidemiological analysis. RESULTS A total of 363 patients were clinically diagnosed from June 1st to August 31st 2016, and most cases (63.1%, n = 229) were identified between June 22nd and July 17th, with children aged 6 to 12 years constituting the highest percentage (68.9%, n = 250). All viral isolates from this study belonged to genotype C of echovirus 30 (E30), which dominated transmission in China. To date, two E30 transmission lineages have been identified in China, of which Lineage 2 was predominant. We observed fluctuant progress of E30 genetic diversity, with Lineage 2 contributing to increased genetic diversity after 2002, whereas Lineage 1 was significant for the genetic diversity of E30 before 2002. CONCLUSIONS We identified the epidemiological and etiological causes of an aseptic meningitis outbreak in Inner Mongolia in 2016, and found that Lineage 2 played an important role in recent outbreaks. Moreover, we found that Gansu province could play an important role in E30 spread and might be a possible origin site. Furthermore, Fujian, Shandong, Taiwan, and Zhejiang provinces also demonstrated significant involvement in E30 evolution and persistence over time in China.
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Affiliation(s)
- Xiaoling Tian
- Inner Mongolia Center for Disease Control and Prevention, Huhhot, 010031, People's Republic of China
| | - Zhenzhi Han
- WHO WPRO Regional Polio Reference Laboratory, National Health Commission Key Laboratory of biosafety, National Health Commission Key Laboratory of Medical Virology, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People's Republic of China.,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China
| | - Yulong He
- Tongliao City Center for Disease Control and Prevention, Tongliao, 028000, People's Republic of China
| | - Qiang Sun
- WHO WPRO Regional Polio Reference Laboratory, National Health Commission Key Laboratory of biosafety, National Health Commission Key Laboratory of Medical Virology, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People's Republic of China.,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China
| | - Wenrui Wang
- Inner Mongolia Center for Disease Control and Prevention, Huhhot, 010031, People's Republic of China
| | - Wenbo Xu
- WHO WPRO Regional Polio Reference Laboratory, National Health Commission Key Laboratory of biosafety, National Health Commission Key Laboratory of Medical Virology, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People's Republic of China.,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China
| | - Hongying Li
- Tongliao City Hospital, Tongliao, 028000, People's Republic of China.
| | - Yong Zhang
- WHO WPRO Regional Polio Reference Laboratory, National Health Commission Key Laboratory of biosafety, National Health Commission Key Laboratory of Medical Virology, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, 102206, People's Republic of China. .,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, 430071, People's Republic of China.
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Bodilsen J, Mens H, Midgley S, Brandt CT, Petersen PT, Larsen L, Hansen BR, Lüttichau HR, Helweg-Larsen J, Wiese L, Østergaard C, Storgaard M, Nielsen H. Enterovirus Meningitis in Adults: A Prospective Nationwide Population-Based Cohort Study. Neurology 2021; 97:e454-e463. [PMID: 34088872 DOI: 10.1212/wnl.0000000000012294] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Accepted: 04/19/2021] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE To test the hypothesis that enterovirus meningitis (EM) is a frequent and self-limiting condition, the epidemiology of EM in adults was examined. METHODS Using a prospective, nationwide, population-based database, all adults with EM confirmed by PCR of the CSF from 2015 to 2019 were included. Unfavorable outcome was defined as Glasgow Outcome Scale scores of 1-4 at discharge. Modified Poisson regression was used to compute adjusted relative risks (RRs). RESULTS A total of 419 cases of EM in 418 adults (46% female, median age 31 years [interquartile range (IQR) 27-35]) yielded an incidence of 1.80/100,000/year. Admission diagnoses included CNS infection 247/397 (62%), other neurologic conditions 89/397 (22%), and cerebrovascular diseases 33/397 (8%). Genotype was available for 271 cases, of which echovirus 30 accounted for 155 (57%). Patients presented with headache 412/415 (99%), history of fever 303/372 (81%), photophobia 292/379 (77%), and neck stiffness 159/407 (39%). Fever (≥38.0°C) was observed in 192/399 (48%) at admission. The median CSF leukocyte count was 130 106/L (range 0-2,100) with polymorphonuclear predominance (>50%) in 110/396 (28%). Cranial imaging preceded lumbar puncture in 127/417 (30%) and was associated with non-CNS infection admission diagnoses and delayed lumbar puncture (median 4.8 hours [IQR 3.4-7.9] vs 1.5 [IQR 0.8-2.8], p < 0.001). Unfavorable outcome occurred in 99/419 (24%) at discharge; more often in female patients (RR 2.30 [1.58-3.33]) and less frequent in echovirus 30 (RR 0.67 [0.46-1.00]) in adjusted analyses. Outcome remained unfavorable in 22/379 (6%) after 6 months. CONCLUSIONS EM is common among young, healthy adults. Although the long-term prognosis remains reassuring, a substantial proportion have moderate disability at discharge, especially female patients.
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Affiliation(s)
- Jacob Bodilsen
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark.
| | - Helene Mens
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Sofie Midgley
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Christian Thomas Brandt
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Pelle Trier Petersen
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Lykke Larsen
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Birgitte Rønde Hansen
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Hans Rudolf Lüttichau
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Jannik Helweg-Larsen
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Lothar Wiese
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Christian Østergaard
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Merete Storgaard
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
| | - Henrik Nielsen
- From the Department of Infectious Diseases (J.B.), Aalborg University Hospital; Department of Pulmonary and Infectious Diseases (H.M., C.T.B., P.T.P.), Nordsjællands Hospital, Hillerød; Department of Infectious Diseases (H.M., J.H.-L.), Rigshospitalet; Virology Surveillance and Research Section (S.M.), Department of Microbiological Diagnostics and Virology, Statens Serum Institut, Copenhagen; Department of Infectious Diseases (L.L.), Odense University Hospital; Department of Infectious Diseases (B.R.H.), Hvidovre University Hospital; Department of Clinical Microbiology (C.Ø.), Copenhagen University Hospital, Amager and Hvidovre; Department of Infectious Diseases (H.R.L.), Copenhagen University Hospital, Herlev and Gentofte,; Department of Medicine (L.W.), Zealand University Hospital, Roskilde; Department of Infectious Diseases (M.S.), Aarhus University Hospital; and Departments of Infectious Diseases (H.N.) and Clinical Medicine (H.N.), Aalborg University, Denmark
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10
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Rocha LCD, Estofolete CF, Milhim BHGDA, Augusto MT, Zini N, Silva GCDD, Ferraz-Junior HC, Brienze VMS, Liso E, Cunha MS, Sabino EC, da Costa AC, Nogueira ML, Luchs A, Terzian ACB. Enteric viruses circulating in undiagnosed central nervous system infections at tertiary hospital in São José do Rio Preto, São Paulo, Brazil. J Med Virol 2021; 93:3539-3548. [PMID: 32579291 DOI: 10.1002/jmv.26216] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 06/15/2020] [Accepted: 06/20/2020] [Indexed: 12/18/2022]
Abstract
Enterovirus (EV) is commonly associated with central nervous system (CNS) syndromes. Recently, gastroenteric viruses, including rotavirus (RVA), human astrovirus (HAstV), and norovirus (NoV), have also been associated with CNS neurological disorders. The aim of the present study was to investigate the presence of EV, RVA, HAst, and NoV associated to CNS infections with undiagnosed etiology in Northwest region of São Paulo State, Brazil, and to conduct the molecular characterization of the positive samples detected. A total of 288 cerebrospinal fluid samples collected from July to December 2017 were tested for EV and NoV by quantitative real-time polymerase chain reaction (RT-qPCR), HAstV by conventional RT-PCR, and RVA by enzyme-linked immunosorbent assay. Positive-EV samples were inoculated in cells lines, amplified by RT-PCR and sequenced. RVA, NoV, and HAstV were not detected. EV infection was detected in 5.5% (16/288), and five samples successful genotyped: echovirus 3 (E3) (1/5), coxsackie virus A6 (CVA6) (1/5), and coxsackie virus B4 (CVB4) (3/5). Meningitis was the main syndrome observed (12/16; 75%). CVA6, CVB4, and E3 were identified associated with aseptic meningitis. Reports of CVA6 associated with aseptic meningitis are rare, E3 had not been previously reported in Brazil, and epidemiological data on CVB4 in the country is virtually unknown. The present investigation illustrates the circulation of diverse EV types in a small regional sample set and in a short period of time, highlighting the importance of an active EV surveillance system in CNS infections. Enhanced understanding of undiagnosed CNS infections will assist in public health and health care planning.
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Affiliation(s)
| | | | | | | | - Nathalia Zini
- São José do Rio Preto School of Medicine (FAMERP), São Paulo, Brazil
| | | | | | | | | | - Mariana Sequetin Cunha
- Vector Borne Disease Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
| | - Ester Cerdeira Sabino
- LIM/46, Faculty of Medicine, University of São Paulo, São Paulo, Brazil
- Institute of Tropical Medicine, University of São Paulo, São Paulo, Brazil
| | | | | | - Adriana Luchs
- Enteric Disease Laboratory, Virology Center, Adolfo Lutz Institute, São Paulo, Brazil
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11
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Cheng W, Ji T, Zhou S, Shi Y, Jiang L, Zhang Y, Yan D, Yang Q, Song Y, Cai R, Xu W. Molecular epidemiological characteristics of echovirus 6 in mainland China: extensive circulation of genotype F from 2007 to 2018. Arch Virol 2021; 166:1305-1312. [PMID: 33638089 PMCID: PMC8036204 DOI: 10.1007/s00705-020-04934-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 11/04/2020] [Indexed: 11/26/2022]
Abstract
Echovirus 6 (E6) is associated with various clinical diseases and is frequently detected in environmental sewage. Despite its high prevalence in humans and the environment, little is known about its molecular phylogeography in mainland China. In this study, 114 of 21,539 (0.53%) clinical specimens from hand, foot, and mouth disease (HFMD) cases collected between 2007 and 2018 were positive for E6. The complete VP1 sequences of 87 representative E6 strains, including 24 strains from this study, were used to investigate the evolutionary genetic characteristics and geographical spread of E6 strains. Phylogenetic analysis based on VP1 nucleotide sequence divergence showed that, globally, E6 strains can be grouped into six genotypes, designated A to F. Chinese E6 strains collected between 1988 and 2018 were found to belong to genotypes C, E, and F, with genotype F being predominant from 2007 to 2018. There was no significant difference in the geographical distribution of each genotype. The evolutionary rate of E6 was estimated to be 3.631 × 10-3 substitutions site-1 year-1 (95% highest posterior density [HPD]: 3.2406 × 10-3-4.031 × 10-3 substitutions site-1 year-1) by Bayesian MCMC analysis. The most recent common ancestor of the E6 genotypes was traced back to 1863, whereas their common ancestor in China was traced back to around 1962. A small genetic shift was detected in the Chinese E6 population size in 2009 according to Bayesian skyline analysis, which indicated that there might have been an epidemic around that year.
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Affiliation(s)
- Wenjun Cheng
- Medical School, Anhui University of Science and Technology, Huainan, 232001, Anhui, People's Republic of China
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Tianjiao Ji
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Shuaifeng Zhou
- Hunan Provincial Centers for Disease Control and Prevention, Changsha, People's Republic of China
| | - Yong Shi
- Jiangxi Provincial Centers for Disease Control and Prevention, Nanchang, People's Republic of China
| | - Lili Jiang
- Yunnan Provincial Centers for Disease Control and Prevention, Kunming, People's Republic of China
| | - Yong Zhang
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Dongmei Yan
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Qian Yang
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Yang Song
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China
| | - Ru Cai
- Medical School, Anhui University of Science and Technology, Huainan, 232001, Anhui, People's Republic of China.
| | - Wenbo Xu
- Medical School, Anhui University of Science and Technology, Huainan, 232001, Anhui, People's Republic of China.
- NHC Key Laboratory of Medical Virology and Viral Diseases, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, People's Republic of China.
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12
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Kohil A, Jemmieh S, Smatti MK, Yassine HM. Viral meningitis: an overview. Arch Virol 2021; 166:335-345. [PMID: 33392820 PMCID: PMC7779091 DOI: 10.1007/s00705-020-04891-1] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 10/04/2020] [Indexed: 12/14/2022]
Abstract
Meningitis is a serious condition that affects the central nervous system. It is an inflammation of the meninges, which is the membrane that surrounds both the brain and the spinal cord. Meningitis can be caused by bacterial, viral, or fungal infections. Many viruses, such as enteroviruses, herpesviruses, and influenza viruses, can cause this neurological disorder. However, enteroviruses have been found to be the underlying cause of most viral meningitis cases worldwide. With few exceptions, the clinical manifestations and symptoms associated with viral meningitis are similar for the different causative agents, which makes it difficult to diagnose the disease at early stages. The pathogenesis of viral meningitis is not clearly defined, and more studies are needed to improve the health care of patients in terms of early diagnosis and management. This review article discusses the most common causative agents, epidemiology, clinical features, diagnosis, and pathogenesis of viral meningitis.
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Affiliation(s)
- Amira Kohil
- Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Sara Jemmieh
- Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Maria K Smatti
- Biomedical Research Center, Qatar University, Doha, Qatar
| | - Hadi M Yassine
- Biomedical Research Center, Qatar University, Doha, Qatar.
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13
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Kim JW, Chae SA, Kim SY, Lee NM, Yi DY, Yun SW, Lim IS. Trends in Pediatric Meningitis in South Korea during 2009 to 2017: Analysis of the Health Insurance Review and Assessment Service Database. ANNALS OF CHILD NEUROLOGY 2021. [DOI: 10.26815/acn.2020.00178] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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14
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Brown DM, Zhang Y, Scheuermann RH. Epidemiology and Sequence-Based Evolutionary Analysis of Circulating Non-Polio Enteroviruses. Microorganisms 2020; 8:microorganisms8121856. [PMID: 33255654 PMCID: PMC7759938 DOI: 10.3390/microorganisms8121856] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/13/2020] [Accepted: 11/17/2020] [Indexed: 02/07/2023] Open
Abstract
Enteroviruses (EVs) are positive-sense RNA viruses, with over 50,000 nucleotide sequences publicly available. While most human infections are typically associated with mild respiratory symptoms, several different EV types have also been associated with severe human disease, especially acute flaccid paralysis (AFP), particularly with endemic members of the EV-B species and two pandemic types—EV-A71 and EV-D68—that appear to be responsible for recent widespread outbreaks. Here we review the recent literature on the prevalence, characteristics, and circulation dynamics of different enterovirus types and combine this with an analysis of the sequence coverage of different EV types in public databases (e.g., the Virus Pathogen Resource). This evaluation reveals temporal and geographic differences in EV circulation and sequence distribution, highlighting recent EV outbreaks and revealing gaps in sequence coverage. Phylogenetic analysis of the EV genus shows the relatedness of different EV types. Recombination analysis of the EV-A species provides evidence for recombination as a mechanism of genomic diversification. The absence of broadly protective vaccines and effective antivirals makes human enteroviruses important pathogens of public health concern.
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Affiliation(s)
- David M Brown
- Department of Synthetic Biology, J. Craig Venter Institute, Rockville, MD 20850, USA
| | - Yun Zhang
- Department of Informatics, J. Craig Venter Institute, La Jolla, CA 92037, USA
| | - Richard H Scheuermann
- Department of Informatics, J. Craig Venter Institute, La Jolla, CA 92037, USA
- Department of Pathology, University of California San Diego, La Jolla, CA 92093, USA
- La Jolla Institute for Immunology, La Jolla, CA 92065, USA
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15
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Smura T, Blomqvist S, Kolehmainen P, Schuffenecker I, Lina B, Böttcher S, Diedrich S, Löve A, Brytting M, Hauzenberger E, Dudman S, Ivanova O, Lukasev A, Fischer TK, Midgley S, Susi P, Savolainen-Kopra C, Lappalainen M, Jääskeläinen AJ. Aseptic meningitis outbreak associated with echovirus 4 in Northern Europe in 2013-2014. J Clin Virol 2020; 129:104535. [PMID: 32652478 DOI: 10.1016/j.jcv.2020.104535] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 06/29/2020] [Accepted: 07/05/2020] [Indexed: 01/23/2023]
Abstract
Picornaviruses (family Picornaviridae) are small, nonenveloped, positive-sense, single-stranded RNA viruses. The members of this family are currently classified into 47 genera and 110 species. Of picornaviruses, entero- and parechoviruses are associated with aseptic meningitis. They are transmitted via fecal-oral and respiratory routes, and occasionally, these viruses may cause a brief viremia and gain access to central nervous system (CNS). During the diagnostic screening of entero- and parechovirus types in Finland in year 2013-14, we detected a cluster of echovirus 4 (E4) infections in young adults and adolescents. As E4 is infrequently detected in Finland, we contacted several Northern and Central European laboratories that conduct routine surveillance for enteroviruses and, for those who have had E4 cases, we send a query for E4 sequences and data. Here we report CNS infections caused by E4 in Finland, Sweden, Norway, Denmark, Iceland and Germany in 2013 and 2014, and show that the E4 detected in these countries form a single lineage. In contrast, E4 strains circulating in these countries preceding the year 2013, and those circulating elsewhere in Europe during 2013-2014, formed several independent clusters.
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Affiliation(s)
- Teemu Smura
- University of Helsinki and Helsinki University Hospital, Virology and Immunology, Helsinki, Finland
| | - Soile Blomqvist
- National Institute for Health and Welfare (THL), Department of Health Security, Helsinki, Finland
| | | | - Isabelle Schuffenecker
- Institut des Agents infectieux des HCL, CNR des enterovirus, Hôpital de la Croix-Rousse & Université de Lyon, CIRI INSERM U1111, UCBL, Lyon, France
| | - Bruno Lina
- Institut des Agents infectieux des HCL, CNR des enterovirus, Hôpital de la Croix-Rousse & Université de Lyon, CIRI INSERM U1111, UCBL, Lyon, France
| | | | | | - Arthur Löve
- Landspitali, National University Hospital, Reykjavik, Iceland
| | - Mia Brytting
- Folkhälsomyndigheten, Public Health Agency of Sweden, Solna, Sweden
| | | | | | - Olga Ivanova
- Chumakov Federal Scientific Center for Research and Development, Moscow, Russia; Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | - Alexander Lukasev
- Chumakov Federal Scientific Center for Research and Development, Moscow, Russia; Sechenov First Moscow State Medical University, Moscow, Russian Federation
| | | | | | - Petri Susi
- University of Turku, Institute of Biomedicine, Turku, Finland
| | - Carita Savolainen-Kopra
- National Institute for Health and Welfare (THL), Department of Health Security, Helsinki, Finland
| | - Maija Lappalainen
- University of Helsinki and Helsinki University Hospital, Virology and Immunology, Helsinki, Finland
| | - Anne J Jääskeläinen
- University of Helsinki and Helsinki University Hospital, Virology and Immunology, Helsinki, Finland.
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16
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Li J, Wang X, Cai J, Ge Y, Wang C, Qiu Y, Xia A, Zeng M. Non-polio enterovirus infections in children with central nervous system disorders in Shanghai, 2016-2018: Serotypes and clinical characteristics. J Clin Virol 2020; 129:104516. [PMID: 32585621 DOI: 10.1016/j.jcv.2020.104516] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 06/01/2020] [Accepted: 06/16/2020] [Indexed: 12/25/2022]
Abstract
BACKGROUND Non-polio enrerovirus causes a wide spectrum of neurologic syndromes. The epidemiological and clinical profiles of non-polio enrerovirus-associated central nervous system infections vary by regions and over year. OBJECTIVES This study aimed to understand the prevalence, serotypes and clinical characteristics of enterovirus-associated aseptic meningitis, encephalitis and meningo-encephalitis in children in Shanghai during 2016-2018. METHODS We collected the clinical data and the cerebrospinal fluid specimens from the pediatric patients with aseptic meningitis, encephalitis and meningo-encephalitis during 2016-2018. The nested RT-PCR and sequencing were performed to identify enterovirus and serotypes. RESULTS A total of 424 patients were included in this study and their non-duplicated cerebrospinal fluid specimens were collected during the acute stage of illness. Based on PCR assay, enterovirus was detected in 272 (64.15 %) patients, of whom, the ratio of male to female subjects was 1.99, and the mean age was 5.71 ± 3.55 years (range: 0.03-16 years). There were 17 serotypes identified. Echovirus 30 (24.63 %), Coxsackievirus A10 (20.96 %), Coxsackievirus A6 (18.01 %) accounted for 63.6 %, followed by Coxsackievirus B5 (7.72 %), Echovirus 6 (5.88 %), and other serotypes (22.8 %). Of the 10 (3.68 %) critically severe patients, all had refractory seizure, 8 required mechanical ventilation, 7 survivors had recurrent attacks of epilepsy and 3 abandoned treatment; Coxsackievirus A10, Echovirus 9, Coxsackievirus A2, Coxsackievirus A6 and Echovirus 6 were identified. CONCLUSIONS Non-polio enterovirus is the major pathogen causing aseptic meningitis, encephalitis and meningo-encephalitis in Chinese children and can cause life-threatening encephalitis and severe sequelae.
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Affiliation(s)
- Jingjing Li
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Xiangshi Wang
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Jiehao Cai
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Yanling Ge
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Chuning Wang
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Yue Qiu
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Aimei Xia
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
| | - Mei Zeng
- Department of Infectious Diseases, Children's Hospital of Fudan University, Shanghai, 201102, China.
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17
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Chen J, Han Z, Wu H, Xu W, Yu D, Zhang Y. A Large-Scale Outbreak of Echovirus 30 in Gansu Province of China in 2015 and Its Phylodynamic Characterization. Front Microbiol 2020; 11:1137. [PMID: 32587581 PMCID: PMC7297909 DOI: 10.3389/fmicb.2020.01137] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Accepted: 05/05/2020] [Indexed: 12/29/2022] Open
Abstract
Background Echovirus 30 (E-30) has been investigated and reported worldwide and is closely associated with several infectious diseases, including encephalitis; myocarditis; and hand, foot, and mouth disease. Although many E-30 outbreaks associated with encephalitis have been reported around the world, it was not reported in northwest China until 2015. Methods The clinical samples, including the feces, serum, throat swabs, and cerebrospinal fluid, were collected for this study and were analyzed for diagnosis. E-30 was isolated and processed according to the standard procedures. The epidemiological and phylogenetic analysis were performed to indicate the characteristics of E-30 outbreaks and phylodynamics of E-30 in China. Results The E-30 outbreaks affected nine towns of Gansu Province in 2015, starting at a school of Nancha town and spreading to other towns within 1 month. The epidemiological features showed that children aged 6–15 years were more susceptible to E-30 infection. The genotypes B and C cocirculated in the world, whereas the latter dominated the circulation of E-30 in China. The genome sequences of this outbreak present 99.3–100% similarity among these strains, indicating a genetic-linked aggregate outbreak of E-30 in this study. Two larger genetic diversity expansions and three small fluctuations of E-30 were observed from 1987 to 2016 in China, which revealed the oscillating patterns of E-30 in China. In addition, the coastal provinces of China, such as Zhejiang, Fujian, and Shandong, were initially infected, followed by other parts of the country. The E-30 strains isolated from mainland of China may have originated from Taiwan of China in the last century. Conclusion The highly similar E-30 genomes in this outbreak showed an aggregate outbreak of E-30, with nine towns affected. Our results suggested that, although the genetic diversity of E-30 oscillates, the dominant lineages of E-30 in China has complex genetic transmission. The coastal provinces played an important role in E-30 spread, which implied further development of effective countermeasures. This study provides a further insight into the E-30 outbreak and transmission and illustrates the importance of valuable surveillance in the future.
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Affiliation(s)
- Jianhua Chen
- Key Laboratory of Infectious Diseases in Gansu Province, Gansu Center for Disease Control and Prevention, Lanzhou, China
| | - Zhenzhi Han
- WHO WPRO Regional Polio Reference Laboratory and National Health Commission Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
| | - Haizhuo Wu
- Key Laboratory of Infectious Diseases in Gansu Province, Gansu Center for Disease Control and Prevention, Lanzhou, China
| | - Wenbo Xu
- WHO WPRO Regional Polio Reference Laboratory and National Health Commission Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, China
| | - Deshan Yu
- Key Laboratory of Infectious Diseases in Gansu Province, Gansu Center for Disease Control and Prevention, Lanzhou, China
| | - Yong Zhang
- WHO WPRO Regional Polio Reference Laboratory and National Health Commission Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China.,Center for Biosafety Mega-Science, Chinese Academy of Sciences, Wuhan, China
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Moghadam AG, Yousefi E, Ghatie MA, Moghadam AG, Pouladfar GR, Jamalidoust M. Investigating the etiologic agents of aseptic meningitis outbreak in Iranian children. J Family Med Prim Care 2020; 9:1573-1577. [PMID: 32509652 PMCID: PMC7266184 DOI: 10.4103/jfmpc.jfmpc_1003_19] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/25/2020] [Accepted: 02/07/2020] [Indexed: 12/27/2022] Open
Abstract
Introduction: This study aimed to determine the viral agent (s) and their genome burden associated with an aseptic meningitis outbreak that occurred in Yasuj, Iran. Materials and Methods: During April to August 2015, 104 CSF samples from 104 patients under 14 years old admitted to the hospital of Yasuj, Iran, with aseptic meningitis associated clinical signs were collected. 200 μl CSF specimens was prepared for DNA and RNA viral genome extraction each and then subjected to diagnostic Taq-man real time PCR assays for the present of Enteroviruses, HSV, VZV, mumps, measles and rubella in the samples. Results: The majority of them had experienced clinical meningitis sign. Primary laboratory differentiated tests were in favor of viral meningitis. Among a total of 104 patients diagnosed with clinically aseptic meningitis, enterovirus as the most significant viral agent was detected in 53 subjects. However, mumps, HSV and VZV, as the endemic causes of viral meningitis, were detected in 6, 6 and 2 of the affected patients. It was revealed that two HSV and one VZV affected patients were co-infected with enteroviruses. All affected children with relatively variable viral load recovered without any sequels. Conclusion: The present study revealed enterovirus as the main predominant cause of pediatric aseptic meningitis that broke out in Yasuj-Iran. Also, the co-circulation of mumps, HSV and VZV, as the endemic cause during the same aseptic meningitis outbreak, was demonstrated in some cases.
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Affiliation(s)
| | - Eslam Yousefi
- Department of Pediatrics, Yasuj University of Medical Sciences, Yasuj, Iran
| | - Mohamad Amin Ghatie
- Cellular and Molecular Research Center, Yasuj University of Medical Sciences, Yasuj, Iran
| | | | - Gholam Reza Pouladfar
- Professor Alborzi Clinical Microbiology Research Center, Shiraz University of Medical Sciences, Nemazi Hospital, Shiraz, Iran
| | - Marzieh Jamalidoust
- Professor Alborzi Clinical Microbiology Research Center, Shiraz University of Medical Sciences, Nemazi Hospital, Shiraz, Iran
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Monge S, Benschop K, Soetens L, Pijnacker R, Hahné S, Wallinga J, Duizer E. Echovirus type 6 transmission clusters and the role of environmental surveillance in early warning, the Netherlands, 2007 to 2016. ACTA ACUST UNITED AC 2019; 23. [PMID: 30424830 PMCID: PMC6234528 DOI: 10.2807/1560-7917.es.2018.23.45.1800288] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Background In the Netherlands, echovirus type 6 (E6) is identified through clinical and environmental enterovirus surveillance (CEVS and EEVS). Aim We aimed to identify E6 transmission clusters and to assess the role of EEVS in surveillance and early warning of E6. Methods We included all E6 strains from CEVS and EEVS from 2007 through 2016. CEVS samples were from patients with enterovirus illness. EEVS samples came from sewage water at pre-specified sampling points. E6 strains were defined by partial VP1 sequence, month and 4-digit postcode. Phylogenetic E6 clusters were detected using pairwise genetic distances. We identified transmission clusters using a combined pairwise distance in time, place and phylogeny dimensions. Results E6 was identified in 157 of 3,506 CEVS clinical episodes and 92 of 1,067 EEVS samples. Increased E6 circulation was observed in 2009 and from 2014 onwards. Eight phylogenetic clusters were identified; five included both CEVS and EEVS strains. Among these, identification in EEVS did not consistently precede CEVS. One phylogenetic cluster was dominant until 2014, but genetic diversity increased thereafter. Of 14 identified transmission clusters, six included both EEVS and CEVS; in two of them, EEVS identification preceded CEVS identification. Transmission clusters were consistent with phylogenetic clusters, and with previous outbreak reports. Conclusion Algorithms using combined time–place–phylogeny data allowed identification of clusters not detected by any of these variables alone. EEVS identified strains circulating in the population, but EEVS samples did not systematically precede clinical case surveillance, limiting EEVS usefulness for early warning in a context where E6 is endemic.
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Affiliation(s)
- Susana Monge
- European Programme for Intervention Epidemiology Training (EPIET), European Centre for Disease Prevention and Control, (ECDC), Stockholm, Sweden.,Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Kimberley Benschop
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Loes Soetens
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands.,Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Roan Pijnacker
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Susan Hahné
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Jacco Wallinga
- Department of Biomedical Data Sciences, Leiden University Medical Center, Leiden, The Netherlands.,Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
| | - Erwin Duizer
- Centre for Infectious Disease Control (CIb), National Institute for Public Health and the Environment (RIVM), Bilthoven, the Netherlands
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20
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Suresh S, Rawlinson WD, Andrews PI, Stelzer‐Braid S. Global epidemiology of nonpolio enteroviruses causing severe neurological complications: A systematic review and meta‐analysis. Rev Med Virol 2019; 30:e2082. [DOI: 10.1002/rmv.2082] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/21/2019] [Accepted: 08/27/2019] [Indexed: 12/12/2022]
Affiliation(s)
- Sarika Suresh
- Melbourne Medical SchoolUniversity of Melbourne Parkville Australia
- Virology Research LaboratoryPrince of Wales Hospital Randwick Australia
| | - William D. Rawlinson
- Virology Research LaboratoryPrince of Wales Hospital Randwick Australia
- School of Medical Sciences, and School of Women's and Children's Health, Faculty of Medicine, and School of Biotechnology and Biomolecular Sciences, Faculty of ScienceUniversity of New South Wales Sydney Australia
- Serology and Virology Division (SAViD)Microbiology NSW Health Pathology Randwick Australia
| | - Peter Ian Andrews
- School of Medical Sciences, and School of Women's and Children's Health, Faculty of Medicine, and School of Biotechnology and Biomolecular Sciences, Faculty of ScienceUniversity of New South Wales Sydney Australia
- Department of Paediatric NeurologySydney Children's Hospital Randwick Australia
| | - Sacha Stelzer‐Braid
- Virology Research LaboratoryPrince of Wales Hospital Randwick Australia
- School of Medical Sciences, and School of Women's and Children's Health, Faculty of Medicine, and School of Biotechnology and Biomolecular Sciences, Faculty of ScienceUniversity of New South Wales Sydney Australia
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21
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Identification and Phylogenetic Characterization of Human Enteroviruses Isolated from Cases of Aseptic Meningitis in Brazil, 2013-2017. Viruses 2019; 11:v11080690. [PMID: 31362357 PMCID: PMC6723535 DOI: 10.3390/v11080690] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Revised: 06/05/2019] [Accepted: 06/12/2019] [Indexed: 02/06/2023] Open
Abstract
Aseptic meningitis is a common viral infection associated with human enteroviruses. The aim of the present study was to identify and characterize the enteroviruses associated with outbreaks and sporadic cases of aseptic meningitis that occurred in different regions of Brazil between 2013 and 2017. Cerebrospinal fluids obtained from patients admitted to public health facilities were analyzed. A total of 303 patients were positive for Human Enteroviruses (EV) by cell culture isolation with a median isolation rate throughout the year of 12%. We were able to identify enterovirus serotypes in 295 clinical specimens. Nineteen different serotypes were identified; the large majority corresponded to HEV-B species. Echovirus 30 (E-30) and Echovirus 6 (E-6) were the most prevalent genotypes (66.8%). Sequence analysis suggested that circulating E-30 was closely related to E-30 from other American countries; while E-6 was derived from Europe. Most of the patients consisted of children ≤ 15 years old. The temporal distribution of all aseptic meningitis and EV-positive cases showed an obvious seasonal pattern during autumn. Our results have provided valuable information about the enteroviral etiology of the aseptic meningitis cases in Brazil pointing to the importance of enterovirus surveillance in neurological diseases.
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22
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Zhao X, Zhang G, Liu S, Chen X, Peng R, Dai L, Qu X, Li S, Song H, Gao Z, Yuan P, Liu Z, Li C, Shang Z, Li Y, Zhang M, Qi J, Wang H, Du N, Wu Y, Bi Y, Gao S, Shi Y, Yan J, Zhang Y, Xie Z, Wei W, Gao GF. Human Neonatal Fc Receptor Is the Cellular Uncoating Receptor for Enterovirus B. Cell 2019; 177:1553-1565.e16. [PMID: 31104841 PMCID: PMC7111318 DOI: 10.1016/j.cell.2019.04.035] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 02/21/2019] [Accepted: 04/16/2019] [Indexed: 01/14/2023]
Abstract
Enterovirus B (EV-B), a major proportion of the genus Enterovirus in the family Picornaviridae, is the causative agent of severe human infectious diseases. Although cellular receptors for coxsackievirus B in EV-B have been identified, receptors mediating virus entry, especially the uncoating process of echovirus and other EV-B remain obscure. Here, we found that human neonatal Fc receptor (FcRn) is the uncoating receptor for major EV-B. FcRn binds to the virus particles in the "canyon" through its FCGRT subunit. By obtaining multiple cryo-electron microscopy structures at different stages of virus entry at atomic or near-atomic resolution, we deciphered the underlying mechanisms of enterovirus attachment and uncoating. These structures revealed that different from the attachment receptor CD55, binding of FcRn to the virions induces efficient release of "pocket factor" under acidic conditions and initiates the conformational changes in viral particle, providing a structural basis for understanding the mechanisms of enterovirus entry.
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Affiliation(s)
- Xin Zhao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China; CAS Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, 100101 Beijing, China
| | - Guigen Zhang
- Biomedical Pioneering Innovation Center (BIOPIC), Beijing Advanced Innovation Center for Genomics, Peking-Tsinghua Center for Life Sciences, Peking University Genome Editing Research Center, State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, 100871 Beijing, China
| | - Sheng Liu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China; School of Life Sciences, University of Science and Technology of China, Hefei, 230026 Anhui, China
| | - Xiangpeng Chen
- Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Virology Laboratory, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 100045 Beijing, China
| | - Ruchao Peng
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Lianpan Dai
- Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China
| | - Xiao Qu
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Shihua Li
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Hao Song
- Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China
| | - Zhengrong Gao
- KunMing Institute of Zoology, Chinese Academy of Sciences, 650223 KunMing, China
| | - Pengfei Yuan
- EdiGene Inc, Life Science Park, 22 KeXueYuan Road, Changping District, 102206 Beijing, China
| | - Zhiheng Liu
- Biomedical Pioneering Innovation Center (BIOPIC), Beijing Advanced Innovation Center for Genomics, Peking-Tsinghua Center for Life Sciences, Peking University Genome Editing Research Center, State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, 100871 Beijing, China; Academy for Advanced Interdisciplinary Studies, Peking University, 100871 Beijing, China
| | - Changyao Li
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Zifang Shang
- Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China
| | - Yan Li
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Meifan Zhang
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Jianxun Qi
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Han Wang
- Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China
| | - Ning Du
- Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China
| | - Yan Wu
- Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China
| | - Yuhai Bi
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China; CAS Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, 100101 Beijing, China
| | - Shan Gao
- CAS Key Laboratory of Bio-medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, 215163 Suzhou, China
| | - Yi Shi
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China; CAS Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, 100101 Beijing, China
| | - Jinghua Yan
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China; CAS Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, 100101 Beijing, China; CAS Key Laboratory of Microbial Physiological and Metabolic Engineering, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China
| | - Yong Zhang
- National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), 102206 Beijing, China; WHO WPRO Regional Polio Reference Laboratory, NHC Key Laboratory of Biosafety, National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention, 102206 Beijing, China
| | - Zhengde Xie
- Key Laboratory of Major Diseases in Children, Ministry of Education, National Clinical Research Center for Respiratory Diseases, Beijing Key Laboratory of Pediatric Respiratory Infection Diseases, Virology Laboratory, Beijing Pediatric Research Institute, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, 100045 Beijing, China.
| | - Wensheng Wei
- Biomedical Pioneering Innovation Center (BIOPIC), Beijing Advanced Innovation Center for Genomics, Peking-Tsinghua Center for Life Sciences, Peking University Genome Editing Research Center, State Key Laboratory of Protein and Plant Gene Research, School of Life Sciences, Peking University, 100871 Beijing, China.
| | - George F Gao
- CAS Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, Chinese Academy of Sciences, 100101 Beijing, China; CAS Center for Influenza Research and Early-Warning (CASCIRE), Chinese Academy of Sciences, 100101 Beijing, China; Research Network of Immunity and Health (RNIH), Beijing Institutes of Life Science, Chinese Academy of Sciences, 100101 Beijing, China; National Institute for Viral Disease Control and Prevention, Chinese Center for Disease Control and Prevention (China CDC), 102206 Beijing, China; Savaid Medical School, University of Chinese Academy of Sciences, 100049 Beijing, China.
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23
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Maruo Y, Nakanishi M, Suzuki Y, Kaneshi Y, Terashita Y, Narugami M, Takahashi M, Kato S, Suzuki R, Goto A, Miyoshi M, Nagano H, Sugisawa T, Okano M. Outbreak of aseptic meningitis caused by echovirus 30 in Kushiro, Japan in 2017. J Clin Virol 2019; 116:34-38. [PMID: 31082730 DOI: 10.1016/j.jcv.2019.05.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 04/23/2019] [Accepted: 05/05/2019] [Indexed: 12/26/2022]
Abstract
BACKGROUND Echovirus 30 (E30) is one of the most common causative agents for aseptic meningitis. OBJECTIVES In the autumn of 2017, there was an outbreak caused by E30 in Kushiro, Hokkaido, Japan. The aim of this study was to characterize this outbreak. STUDY DESIGN Fifty-nine patients were admitted to the Department of Pediatrics, Kushiro Red Cross Hospital (KRCH) with clinical diagnosis of aseptic meningitis. Among those, 36 patients were finally diagnosed as E30-associated aseptic meningitis by the detection of viral RNA using reverse transcription-polymerase chain reaction (RT-PCR) and/or the evidence of more than four-fold rise in neutralizing antibody (NA) titers in the convalescent phase relative to those in the acute phase. We investigated these 36 confirmed cases. RESULTS The median age was 6 years (range: 6 months-14 years). The positive signs and symptoms were as follows: fever (100%), headache (94%), vomiting (92%), jolt accentuation (77%), neck stiffness (74%), Kernig sign (29%), and abdominal pain (28%). The median cerebrospinal fluid (CSF) white cell count, neutrophil count, and lymphocyte count were 222/μL (range: 3-1434/μL), 144/μL (range: 1-1269/μL), and 85/μL (range: 2-354/μL), respectively. Although the detected viral genes demonstrated same cluster, they were different from E30 strains observed in Japan between 2010 and 2014. CONCLUSION We mainly showed clinical and virological features of the E30-associated aseptic meningitis outbreak that occurred in Kushiro. To prevent further spread of E30 infection, continuous surveillance of enterovirus (EV) circulation and standard precautions are considered essential.
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Affiliation(s)
- Yuji Maruo
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan.
| | - Masanori Nakanishi
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Yasuto Suzuki
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Yosuke Kaneshi
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Yukayo Terashita
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Masashi Narugami
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Michi Takahashi
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Sho Kato
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Ryota Suzuki
- Department of Pediatrics, Kushiro Red Cross Hospital, 21-14, Shinei-cho, Kushiro 085-8512, Japan
| | - Akiko Goto
- Hokkaido Institute of Public Health, North 19 West 12, Kita-ku, Sapporo 060-0819, Japan
| | - Masahiro Miyoshi
- Hokkaido Institute of Public Health, North 19 West 12, Kita-ku, Sapporo 060-0819, Japan
| | - Hideki Nagano
- Hokkaido Institute of Public Health, North 19 West 12, Kita-ku, Sapporo 060-0819, Japan
| | - Takahisa Sugisawa
- Kushiro Center of Public Health, 4-22, Shiroyama 2, Kushiro 085-0826, Japan
| | - Motohiko Okano
- Hokkaido Institute of Public Health, North 19 West 12, Kita-ku, Sapporo 060-0819, Japan
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24
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Lema C, Torres C, Van der Sanden S, Cisterna D, Freire MC, Gómez RM. Global phylodynamics of Echovirus 30 revealed differential behavior among viral lineages. Virology 2019; 531:79-92. [PMID: 30856485 DOI: 10.1016/j.virol.2019.02.012] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/16/2019] [Accepted: 02/16/2019] [Indexed: 01/03/2023]
Abstract
Echovirus 30 (E30) is an important causative agent of aseptic meningitis worldwide. Despite this, the global and regional dispersion patterns, especially in South America, are still largely unknown. We performed an in-depth analysis of global E30 population dynamics, by using the VP1 sequences of 79 strains isolated in Argentina, between 1998 and 2012, and 856 sequences from GenBank. Furthermore, the 3Dpol regions of 329 sequences were analyzed to study potential recombination events. E30 evolution was characterized by co-circulation and continuous replacement of lineages over time, where four lineages appear to circulate at present and another four lineages appear to have stopped circulating. Five lineages showed a global distribution, whereas three other lineages had a more restricted circulation pattern. Strains isolated in South America belong to lineages E and F. Analysis of the 3Dpol region of Argentinean strains indicated that recombination events occurred in both lineages.
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Affiliation(s)
- Cristina Lema
- Neurovirosis Service at Virology Department, INEI-ANLIS, Dr. Carlos G. Malbran Institute, Argentina.
| | - Carolina Torres
- Faculty of Pharmacy and Biochemistry, University of Buenos Aires, Argentina
| | | | - Daniel Cisterna
- Neurovirosis Service at Virology Department, INEI-ANLIS, Dr. Carlos G. Malbran Institute, Argentina
| | - María Cecilia Freire
- Neurovirosis Service at Virology Department, INEI-ANLIS, Dr. Carlos G. Malbran Institute, Argentina
| | - Ricardo M Gómez
- Institute of Biotechnology and Molecular Biology, CONICET-UNLP, 1900 La Plata, Argentina.
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Lizasoain A, Burlandy FM, Victoria M, Tort LFL, da Silva EE, Colina R. An Environmental Surveillance in Uruguay Reveals the Presence of Highly Divergent Types of Human Enterovirus Species C and a High Frequency of Species A and B Types. FOOD AND ENVIRONMENTAL VIROLOGY 2018; 10:343-352. [PMID: 29907902 DOI: 10.1007/s12560-018-9351-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Information about Human Enterovirus circulation in Uruguay is scarce. The aim of this study was to generate the first description about their circulation in the country through the study of sewage samples collected before and after the switch from Oral Poliovirus Vaccine to Inactivated Poliovirus Vaccine. Viruses were concentrated by an adsorption-elution to a negatively charged membrane, and real-time quantitative PCR and qualitative PCR methods were used to detect, quantify, and characterize enteroviruses. Positive samples were inoculated in RD cells and two passages were performed. Additionally, RD+ samples were subsequently passed onto L20B cells. Human Enteroviruses were detected in 67.6% of the samples, with concentrations between 4.9 and 6.6 Log10 genomic copies per liter. 10% of positive samples replicated in RD cells, of which none in L20B cells. Molecular characterization of Human Enterovirus strains directly detected from sewage sample concentrates allowed the identification of highly divergent members of species C such as Enterovirus C99 and Coxsackievirus A13, as well as the frequent detection of species A and B members (particularly Coxsackievirus A16 and Echovirus 6, respectively). Other detected types were Coxsackievirus A2, A22, B1, B5, Echovirus 5, and 9. The characterization of viruses isolated in cell culture revealed the presence of Echovirus 6 and Coxsackievirus B3. Despite the absence of poliovirus, a wide circulation of different enterovirus types was evidenced in Uruguayan sewage samples, highlighting that the local populations are exposed to different kinds of diseases originated by several human enterovirus.
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Affiliation(s)
- Andrés Lizasoain
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | - Fernanda M Burlandy
- Laboratório de Enterovírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avda. Brasil 4365, Rio de Janeiro, 21040-360, Brazil
| | - Matías Victoria
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | - Luis F López Tort
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | - Edson E da Silva
- Laboratório de Enterovírus, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Avda. Brasil 4365, Rio de Janeiro, 21040-360, Brazil
| | - Rodney Colina
- Laboratorio de Virología Molecular, CENUR Litoral Norte, Sede Salto, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay.
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26
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Joshi YP, Kim JH, Kim H, Cheong HK. Impact of Drinking Water Quality on the Development of Enteroviral Diseases in Korea. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2018; 15:ijerph15112551. [PMID: 30441791 PMCID: PMC6266091 DOI: 10.3390/ijerph15112551] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/01/2018] [Revised: 11/05/2018] [Accepted: 11/07/2018] [Indexed: 01/02/2023]
Abstract
Enterovirus diseases are fecal-orally transmitted, and its transmission may be closely related with the drinking water quality and other environmental factors. This study aimed to assess the association between environmental factors including drinking water quality and the incidence of enteroviral diseases in metropolitan provinces of Korea. Using monthly number of hand-foot-mouth disease (HFMD), aseptic meningitis (AM) and acute hemorrhage conjunctivitis (AHC) cases, generalized linear Poisson model was applied to estimate the effects of environmental factors on the monthly cases. An increase of mean temperature was associated with an increase of enteroviral diseases at 0–2 months lag, while an increase of turbidity was associated with increase in HFMD at 1 month lag and a decrease in AHC. An increase of residual chlorine in municipal drinking water was associated with a decrease in HFMD and AHC 2 and 3 months later. An increase of pH was associated with a maximum increase in AM 3 months later. The meta-analysis revealed the effects of the provincial and pooled variation in percent change of risks of environmental factors on HFMD, AM, and AHC cases at specific selected lags. This study suggests that the drinking water quality is one of the major determinants on enteroviral diseases.
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Affiliation(s)
- Yadav P Joshi
- Department of Social and Preventive Medicine, School of Medicine, Sungkyunkwan University, Suwon 440-746, Korea.
- Department of Public Health, Manmohan Memorial Institute of Health Sciences, Kathmandu 44613, Nepal.
- Asian College for Advance Studies, Lalitpur 44700, Nepal.
| | - Jong-Hun Kim
- Department of Social and Preventive Medicine, School of Medicine, Sungkyunkwan University, Suwon 440-746, Korea.
| | - Ho Kim
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, and Institute of Public Health and Environment, Seoul National University, Seoul 08826, Korea.
| | - Hae-Kwan Cheong
- Department of Social and Preventive Medicine, School of Medicine, Sungkyunkwan University, Suwon 440-746, Korea.
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27
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Shyshov AS, Bazarova MV, Blank IA, Pasyshnyuk EP, Savrasova NM, Shurenkova EN, Podkolzin AT. [Enterovirus infections and meningitis in children]. Zh Nevrol Psikhiatr Im S S Korsakova 2018; 116:9-15. [PMID: 27029441 DOI: 10.17116/jnevro2016116219-15] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
OBJECTIVE To compare clinical characteristics in children with enterovirus infections (EVI) and meningitis with detailed characteristics of the changes in the content of cerebrospinal fluid (CSF) confirmed in the laboratory. MATERIAL AND METHODS The results of examinations of 97 children, aged from 2.5 to 15 years, 3 adolescents and 1 adult female patient with EVI were analyzed. Enterovirus RNA isolation and detection in feces and CSF was performed using PCR. RESULTS AND CONCLUSION Enterovirus RNA in CSF was detected in 44 children, including 3 patients with cytosis (5-7-19 cells in 3 mm3). The frequency and severity of symptoms in 42 patients with EVI and meningitis, 14 children with EVI without meningitis and 8 patients with ICD-10 «Meningitis unspecified» are presented. The initial CSF pleocytosis in 1-3 day (4-5 day for two-wave course) in EVI and meningitis was <100 in 4, from 100 to 1000 in 33, >1000 (max 3036) cells in 3 mm3 in 5 patients, including 15 with the predominance of neutrophils (from 77 to 97% in cytosis 114-2300 cells in 3 mm(3)). In the peripheral blood, leukocytosis 10.9-13.8×10(9)/л was noted in 12 children and leukocytosis 14.4-18.7×10(9)/л with the «left shift» in 7. Most of the children (n=37) with EVI and meningitis were discharged from the hospital within 10-17 days. The authors suggest the importance of including the variety of clinical presentations of EVI in the additional item «B10 Enterovirus infections» in upcoming ICD-11.
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Affiliation(s)
- A S Shyshov
- Chumakov Institute of Poliomyelitis and Viral Encephalitis, Moscow
| | | | - I A Blank
- Infectious clinical hospital 1, Moscow
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Shen XX, Qiu FZ, Zhao HL, Yang MJ, Hong L, Xu ST, Zhou SF, Li GX, Feng ZS, Ma XJ. A novel and highly sensitive real-time nested RT-PCR assay in a single closed tube for detection of enterovirus. Diagn Microbiol Infect Dis 2018; 90:181-185. [DOI: 10.1016/j.diagmicrobio.2017.11.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 11/20/2017] [Accepted: 11/21/2017] [Indexed: 11/28/2022]
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Anastasina M, Domanska A, Palm K, Butcher S. Human picornaviruses associated with neurological diseases and their neutralization by antibodies. J Gen Virol 2017. [PMID: 28631594 DOI: 10.1099/jgv.0.000780] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Picornaviruses are the most commonly encountered infectious agents in mankind. They typically cause mild infections of the gastrointestinal or respiratory tract, but sometimes also invade the central nervous system. There, they can cause severe diseases with long-term sequelae and even be lethal. The most infamous picornavirus is poliovirus, for which significant epidemics of poliomyelitis were reported from the end of the nineteenth century. A successful vaccination campaign has brought poliovirus close to eradication, but neurological diseases caused by other picornaviruses have increasingly been reported since the late 1990s. In this review we focus on enterovirus 71, coxsackievirus A16, enterovirus 68 and human parechovirus 3, which have recently drawn attention because of their links to severe neurological diseases. We discuss the clinical relevance of these viruses and the primary role of humoral immunity in controlling them, and summarize current knowledge on the neutralization of such viruses by antibodies.
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Affiliation(s)
- Maria Anastasina
- Institute of Biotechnology and Department of Biosciences, University of Helsinki, Viikinkaari 1, 00790 Helsinki, Finland.,Protobios LLC, Mäealuse 4, 12618 Tallinn, Estonia
| | - Aušra Domanska
- Institute of Biotechnology and Department of Biosciences, University of Helsinki, Viikinkaari 1, 00790 Helsinki, Finland
| | - Kaia Palm
- Protobios LLC, Mäealuse 4, 12618 Tallinn, Estonia.,Institute of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia
| | - Sarah Butcher
- Institute of Biotechnology and Department of Biosciences, University of Helsinki, Viikinkaari 1, 00790 Helsinki, Finland
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Identification and molecular characterization of non-polio enteroviruses from children with acute flaccid paralysis in West Africa, 2013-2014. Sci Rep 2017. [PMID: 28630462 PMCID: PMC5476622 DOI: 10.1038/s41598-017-03835-1] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Besides polioviruses, non-polio enteroviruses (NPEVs) may also be associated with acute flaccid paralysis (AFP). Because poliomyelitis is on the verge of eradication, more attention should be paid to study NPEVs from non-polio AFP cases and their epidemic patterns. In West African countries the epidemiology of NPEVs remains largely unexplored. We investigated the genetic diversity, frequency, circulation patterns, and molecular epidemiology of NPEVs in seven West African countries by analyzing retrospectively a panel of 3195 stool samples from children with AFP collected through routine poliomyelitis surveillance activities between 2013 and 2014. VP1 sequencing and typing on 201 isolates revealed 39 NPEV types corresponding to EV-A (6.9%), EV-B (90.5%), EV-C (2%) and EV-D (0.5%) species. Echoviruses were isolated most frequently with 138 cases (68.6%), followed by coxsackievirus group B with 35 cases (17.4%). No single NPEV type was remarkably dominant. Interestingly, several rarely described types with limited detection worldwide were identified (EVA76, EVA119, EVB75, EVB77, EVB97, EVC99, CVA20, CVA21 and EVD94). This study demonstrates the extensive diversity and diverse circulation patterns of NPEVs from AFP surveillance and highlights the need to formulate effective long-term strategies to monitor NPEV circulations in West Africa.
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Benschop KS, Geeraedts F, Beuvink B, Spit SA, Fanoy EB, Claas EC, Pas SD, Schuurman R, Verweij JJ, Bruisten SM, Wolthers KC, Niesters HG, Koopmans M, Duizer E. Increase in ECHOvirus 6 infections associated with neurological symptoms in the Netherlands, June to August 2016. ACTA ACUST UNITED AC 2017; 21:30351. [PMID: 27719751 PMCID: PMC5069425 DOI: 10.2807/1560-7917.es.2016.21.39.30351] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 09/29/2016] [Indexed: 11/20/2022]
Abstract
The Dutch virus-typing network VIRO-TypeNed reported an increase in ECHOvirus 6 (E-6) infections with neurological symptoms in the Netherlands between June and August 2016. Of the 31 cases detected from January through August 2016, 15 presented with neurological symptoms. Ten of 15 neurological cases were detected in the same province and the identified viruses were genetically related. This report is to alert medical and public health professionals of the circulation of E-6 associated with neurological symptoms.
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Affiliation(s)
- Kimberley Sm Benschop
- Center for Infectious Disease Control, National Institute for Public Health and the Environment, Bilthoven, the Netherlands
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Rudolph H, Prieto Dernbach R, Walka M, Rey-Hinterkopf P, Melichar V, Muschiol E, Schweitzer-Krantz S, Richter JW, Weiss C, Böttcher S, Diedrich S, Schroten H, Tenenbaum T. Comparison of clinical and laboratory characteristics during two major paediatric meningitis outbreaks of echovirus 30 and other non-polio enteroviruses in Germany in 2008 and 2013. Eur J Clin Microbiol Infect Dis 2017; 36:1651-1660. [PMID: 28409290 DOI: 10.1007/s10096-017-2979-7] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Accepted: 04/03/2017] [Indexed: 01/06/2023]
Abstract
Viral meningitis is mainly caused by non-polio enteroviruses (NPEV). Large-scale data on the clinical characteristics between different outbreaks within the same region are lacking. This study aimed to analyse a possible influence of the circulating NPEV genotype on the disease outcome of affected children. A retrospective cohort study analysing two major outbreaks of NPEV meningitis in Germany in 2008 and 2013 was conducted in cooperation with the National Reference Centre for Poliomyelitis and Enteroviruses (NRC PE) and five German children's hospitals. A total of 196 patients with laboratory-confirmed NPEV meningitis were enrolled. In 2008, children with NPEV meningitis had significantly higher fever and showed more behavioural changes and less back pain. To better define typical findings in echovirus 30 (E-30) meningitis, patients were split into the following three groups: E-30 positive patients, patients with "Non E-30" infection and patients with "Untyped" NPEV infection. E-30 positive patients were significantly older and their disease course was more acute, with early admission to but also early discharge from hospital. E-30 positive patients showed a significantly higher rate of headache and meningism, and a lower rate of diarrhoea and clinically defined septicaemia when compared to the others. Regarding laboratory testing, E-30 positive patients presented with significantly elevated peripheral blood neutrophil counts when compared to patients with "Non E-30" or "Untyped" NPEV infection. In conclusion, E-30 meningitis in children shows a characteristic pattern of clinical features. To further characterise NPEV strains worldwide, continuous surveillance and typing of NPEV strains causing central nervous system disease is warranted.
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Affiliation(s)
- H Rudolph
- Paediatric Infectious Diseases, University Children's Hospital, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany.
| | - R Prieto Dernbach
- Paediatric Infectious Diseases, University Children's Hospital, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - M Walka
- Children's Hospital Ludwigsburg, Ludwigsburg, Germany
| | | | - V Melichar
- University Children's Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - E Muschiol
- University Children's Hospital Erlangen, Friedrich-Alexander-University Erlangen-Nürnberg (FAU), Erlangen, Germany
| | - S Schweitzer-Krantz
- Children's Hospital, Evangelisches Krankenhaus Düsseldorf, Düsseldorf, Germany
| | - J W Richter
- Children's Hospital Auf der Bult, Hannover, Germany
| | - C Weiss
- Department of Statistics, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - S Böttcher
- National Reference Centre for Poliomyelitis and Enteroviruses, Robert Koch Institute, Berlin, Germany
| | - S Diedrich
- National Reference Centre for Poliomyelitis and Enteroviruses, Robert Koch Institute, Berlin, Germany
| | - H Schroten
- Paediatric Infectious Diseases, University Children's Hospital, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
| | - T Tenenbaum
- Paediatric Infectious Diseases, University Children's Hospital, Medical Faculty Mannheim, Heidelberg University, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany
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Dumaidi K, Al-Jawabreh A. Molecular detection and genotyping of enteroviruses from CSF samples of patients with suspected sepsis-like illness and/or aseptic meningitis from 2012 to 2015 in West Bank, Palestine. PLoS One 2017; 12:e0172357. [PMID: 28225788 PMCID: PMC5321419 DOI: 10.1371/journal.pone.0172357] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Accepted: 02/04/2017] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Human enteroviruses (HEVs) are the most frequently reported cause of aseptic meningitis with or without CSF pleocytosis in childhood. Rapid detection and genotype of HEVs is essential to determine the causative agent and variant causing sepsis-like illness and/or aseptic meningitis. AIM To investigate the molecular epidemiology of enteroviruses (EVs) among patients with sepsis-like illness and/or aseptic meningitis admitted to three major hospitals in West Bank, Palestine from 2012 to 2015. METHODS During the study period, 356 CSF samples were collected from patients with sepsis-like illness and/or aseptic meningitis. Two RT-nested PCR assays targeting a partial part of 5'UTR for direct diagnosis and the VP1 region for genotyping by sequence analysis of the viral genome were used. RESULTS HEV RNA was detected in 66 of 356 (18.5%) of CSF samples. Age distribution showed that 64% (42/66) were infants (<1 year), 18% were children between 1 and 5 years old, 12% were children between 5 and 10 years old, and 6% were more than 10 years old. Of the 66 EV cases, 12 were successfully genotyped. Five different EV genotypes were identified. All of them belonged to HEV-B species. The study showed that echovirus 6 genotype accounted for 42% of the sequenced cases. The HEV infections in the present study tended to show slight seasonal pattern with more cases occurring during spring and summer, yet still significant numbers were also reported in fall and winter seasons. CONCLUSION HEV was isolated from a significant number of children with sepsis-like illness and/or aseptic meningitis. In addition, the molecular method utilized for direct diagnosis and genotyping of HEV from CSF revealed that more than one HEV type circulated in the West Bank, Palestine during the study period.
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Affiliation(s)
- Kamal Dumaidi
- Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, Arab American University in Jenin, Jenin, Palestine
- * E-mail:
| | - Amer Al-Jawabreh
- Department of Medical Laboratory Sciences, Faculty of Allied Health Sciences, Arab American University in Jenin, Jenin, Palestine
- Al-Quds Public Health Society, Jerusalem, Palestine
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Joshi YP, Kim EH, Kim JH, Kim H, Cheong HK. Associations between Meteorological Factors and Aseptic Meningitis in Six Metropolitan Provinces of the Republic of Korea. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:E1193. [PMID: 27916923 PMCID: PMC5201334 DOI: 10.3390/ijerph13121193] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Revised: 11/21/2016] [Accepted: 11/22/2016] [Indexed: 11/17/2022]
Abstract
We assessed the association between climate factors and a number of aseptic meningitis cases in six metropolitan provinces of the Republic of Korea using a weekly number of cases from January 2002 to December 2012. Generalized linear quasi-Poisson models were applied to estimate the effects of climate factors on the weekly number of aseptic meningitis cases. We used generalized additive and generalized additive mixed models to assess dose-response relationships. A 1 °C increase in mean temperature was associated with an 11.4% (95% confidence interval (CI): 9.6%-13.3%) increase in aseptic meningitis with a 0-week lag; a 10 mm rise in rainfall was associated with an 8.0% (95% CI: 7.2%-8.8%) increase in aseptic meningitis with a 7-week lag; and a 1 mJ/m² increase of solar radiation was associated with a 5.8% (95% CI: 3.0%-8.7%) increase in aseptic meningitis with a 10-week lag. Nino3 showed positive effects in all lags, and its one unit increase was associated with an 18.9% (95% CI: 15.3%-22.6%) increase of aseptic meningitis at lag 9. The variability in the relationship between climate factors and aseptic meningitis could be used to initiate preventive measures for climate determinants of aseptic meningitis.
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Affiliation(s)
- Yadav Prasad Joshi
- Department of Social and Preventive Medicine, Sungkyunkwan University School of Medicine, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Korea.
| | - Eun-Hye Kim
- Department of Social and Preventive Medicine, Sungkyunkwan University School of Medicine, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Korea.
| | - Jong-Hun Kim
- Department of Social and Preventive Medicine, Sungkyunkwan University School of Medicine, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Korea.
| | - Ho Kim
- Department of Biostatistics and Epidemiology, Graduate School of Public Health, and Institute of Public Health and Environment, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea.
| | - Hae-Kwan Cheong
- Department of Social and Preventive Medicine, Sungkyunkwan University School of Medicine, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do 16419, Korea.
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Mao Q, Wang Y, Bian L, Xu M, Liang Z. EV-A71 vaccine licensure: a first step for multivalent enterovirus vaccine to control HFMD and other severe diseases. Emerg Microbes Infect 2016; 5:e75. [PMID: 27436364 PMCID: PMC5141264 DOI: 10.1038/emi.2016.73] [Citation(s) in RCA: 58] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Revised: 04/25/2016] [Accepted: 05/02/2016] [Indexed: 01/17/2023]
Abstract
Enteroviruses (EVs) are the most common viral agents in humans. Although most infections are mild or asymptomatic, there is a wide spectrum of clinical manifestations that may be caused by EV infections with varying degrees of severity. Among these viruses, EV-A71 and coxsackievirus (CV) CV-A16 from group A EVs attract the most attention because they are responsible for hand, foot and mouth disease (HFMD). Other EV-A viruses such as CV-A6 and CV-A10 were also reported to cause HFMD outbreaks in several countries or regions. Group B EVs such as CV-B3, CV-B5 and echovirus 30 were reported to be the main pathogens responsible for myocarditis and encephalitis epidemics and were also detected in HFMD patients. Vaccines are the best tools to control infectious diseases. In December 2015, China's Food and Drug Administration approved two inactivated EV-A71 vaccines for preventing severe HFMD.The CV-A16 vaccine and the EV-A71-CV-A16 bivalent vaccine showed substantial efficacy against HFMD in pre-clinical animal models. Previously, research on EV-B group vaccines was mainly focused on CV-B3 vaccine development. Because the HFMD pathogen spectrum has changed, and the threat from EV-B virus-associated severe diseases has gradually increased, it is necessary to develop multivalent HFMD vaccines. This study summarizes the clinical symptoms of diseases caused by EVs, such as HFMD, myocarditis and encephalitis, and the related EV vaccine development progress. In conclusion, developing multivalent EV vaccines should be strongly recommended to prevent HFMD, myocarditis, encephalitis and other severe diseases.
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Affiliation(s)
- Qunying Mao
- National Institutes for Food and Drug Control, Beijing 100050, China
| | - Yiping Wang
- National Institutes for Food and Drug Control, Beijing 100050, China
| | - Lianlian Bian
- National Institutes for Food and Drug Control, Beijing 100050, China
| | - Miao Xu
- National Institutes for Food and Drug Control, Beijing 100050, China
| | - Zhenglun Liang
- National Institutes for Food and Drug Control, Beijing 100050, China
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Molecular characterization of echovirus 30 isolates from Poland, 1995-2015. Virus Genes 2016; 52:400-4. [PMID: 26957092 DOI: 10.1007/s11262-016-1310-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Accepted: 02/24/2016] [Indexed: 01/07/2023]
Abstract
Echovirus 30 (E30) is one of the most frequently identified enterovirus and a major cause of meningitis in children and adults. To investigate the genetic variability and relationship of E30 isolated from specimens of aseptic meningitis cases that occurred in Poland over a period of 20 years, sequences of VP1 gene were determined and genetic analysis was performed. From 1995 to 2015, 124 E30 were isolated using RD cells, and 58 isolates were sequenced and characterized by phylogenetic analysis of partial VP1 region (793 nt). In general, nucleotide sequence divergence in pairwise comparisons among Polish E30 isolates ranged from 0.0 to 15.0 %. The phylogenetic analysis revealed that E30 circulating in Poland since 1995 belong to two unique groups: Group I, characterized by high divergence (up to 13.1 %), segregated in four subgroups, and showed strong temporal circulation of E30. Group II, detected in Poland in 2013-2014, was closely correlated with two meningitis outbreaks and formed a separate genetically homogeneous group. Phylogenetic analysis revealed that strains from Poland had the closest genetic relationship with not only the isolates previously identified in Europe (Belarus, France, Germany, Italy, Russia) but also those in other parts of the world (Australia, China). Sequences of outbreak isolates were grouped in group II together with those from Russia and China isolated during 2010-2013. The identification of five distinct viral lineages during 1995-2015 confirmed the high E30 genetic diversity which may be an essential precondition for the emergence of new strains responsible for further potential aseptic meningitis outbreaks.
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Molecular characterization of a new human echovirus 11 isolate associated with severe hand, foot and mouth disease in Yunnan, China, in 2010. Arch Virol 2015; 160:2343-7. [DOI: 10.1007/s00705-015-2496-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2015] [Accepted: 06/11/2015] [Indexed: 11/26/2022]
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Klein M, Chong P. Is a multivalent hand, foot, and mouth disease vaccine feasible? Hum Vaccin Immunother 2015; 11:2688-704. [PMID: 26009802 DOI: 10.1080/21645515.2015.1049780] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
Abstract
Enterovirus A infections are the primary cause of hand, foot and mouth disease (HFMD) in infants and young children. Although enterovirus 71 (EV-A71) and coxsackievirus A16 (CV-A16) are the predominant causes of HFMD epidemics worldwide, EV-A71 has emerged as a major neurovirulent virus responsible for severe neurological complications and fatal outcomes. HFMD is a serious health threat and economic burden across the Asia-Pacific region. Inactivated EV-A71 vaccines have elicited protection against EV-A71 but not against CV-A16 infections in large efficacy trials. The current development of a bivalent inactivated EV-A71/CV-A16 vaccine is the next step toward that of multivalent HFMD vaccines. These vaccines should ultimately include other prevalent pathogenic coxsackieviruses A (CV-A6 and CV-A10), coxsackieviruses B (B3 and B5) and echovirus 30 that often co-circulate during HFMD epidemics and can cause severe HFMD, aseptic meningitis and acute viral myocarditis. The prospect and challenges for the development of such multivalent vaccines are discussed.
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Affiliation(s)
| | - Pele Chong
- b Vaccine R&D Center; National Health Research Institutes ; Zhunan Town, Miaoli County , Taiwan.,c Graduate Institute of Immunology; China Medical University ; Taichung , Taiwan
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Zhu Y, Pan Y, Chen J, Liu J, Chen W, Ma S. A Coxsackie B4 virus isolated in Yunnan in 2009 is a recombinant. Virus Genes 2015; 50:375-80. [PMID: 25725901 DOI: 10.1007/s11262-015-1185-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Accepted: 02/19/2015] [Indexed: 11/30/2022]
Abstract
Coxsackievirus B4 is a member of the species Enterovirus B in the Enterovirus genus of the Picornaviridae family. So far, there are only seven complete genome sequences of CVB4 published in GenBank database. In the study, the complete genome analysis of a Coxsackievirus B4 strain A155/YN/CHN/2009 isolated from a child with aseptic meningitis in Yunnan Province was performed. It had 85.1 and 83.3 % nucleotide similarity with prototype strain J.V.B Benschoten in the VP1 region and the complete genome, respectively. Phylogenetic analysis of VP1 region showed that A155/YN/CHN/2009 belongs to Genotype V circulating only in mainland of China. The results of Simplot and Bootscanning analysis implicated that A155 has recombined with other HEV-B viruses.
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Affiliation(s)
- Yanju Zhu
- Institute of Medical Biology, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC), 935 Jiao Ling Road, Kunming, 650118, Yunnan, People's Republic of China
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Liu J, Zhu Y, Pan Y, Liu Z, Guo C, Ma S. Complete genome sequence analysis of two human coxsackievirus A9 strains isolated in Yunnan, China, in 2009. Virus Genes 2015; 50:358-64. [PMID: 25680342 DOI: 10.1007/s11262-015-1180-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Accepted: 02/04/2015] [Indexed: 10/24/2022]
Abstract
Human coxsackievirus A9 (CVA9) is a member of Enterovirus B species and may cause aseptic meningitis. The complete genome analyses of two strains CVA9 A242/YN/CHN/2009 and A108/YN/CHN/2009 isolated from aseptic meningitis cases in Yunnan Province, China, in 2009 were performed. These two strains shared 81.3 and 80.7, 81.0 and 81.1 % nucleotide similarity with prototype strain Griggs in the VP1-encoding sequence and the complete genome sequence, respectively. Through phylogenetic analysis and homogeneity analysis for twenty-eight VP1-encoding sequences, CVA9 strains could be divided into four genotypes and the Chinese strains might belong to genotype D. Similarity plot and bootscanning analyses showed evidence of recombination with other EVB viruses. In conclusion, persistent surveillance of circulating enterovirus might help understand the enterovirus evolution.
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Affiliation(s)
- Jiansheng Liu
- Institute of Medical Biology, Chinese Academy of Medical Sciences, and Peking Union Medical College (CAMS & PUMC), 935 Jiao Ling Road, Kunming, 650118, Yunnan, People's Republic of China
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Hyeon JY, Hwang S, Kim H, Song J, Ahn J, Kang B, Kim K, Choi W, Chung JK, Kim CH, Cho K, Jee Y, Kim J, Kim K, Kim SH, Kim MJ, Cheon DS. Accuracy of diagnostic methods and surveillance sensitivity for human enterovirus, South Korea, 1999-2011. Emerg Infect Dis 2014; 19:1268-75. [PMID: 23876671 PMCID: PMC3739515 DOI: 10.3201/eid.1908.130496] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The epidemiology of enteroviral infection in South Korea during 1999-2011 chronicles nationwide outbreaks and changing detection and subtyping methods used over the 13-year period. Of 14,657 patients whose samples were tested, 4,762 (32.5%) samples were positive for human enterovirus (human EV); as diagnostic methods improved, the rate of positive results increased. A seasonal trend of outbreaks was documented. Genotypes enterovirus 71, echovirus 30, coxsackievirus B5, enterovirus 6, and coxsackievirus B2 were the most common genotypes identified. Accurate test results correlated clinical syndromes to enterovirus genotypes: aseptic meningitis to echovirus 30, enterovirus 6, and coxsackievirus B5; hand, foot and mouth disease to coxsackievirus A16; and hand, foot and mouth disease with neurologic complications to enterovirus 71. There are currently no treatments specific to human EV infections; surveillance of enterovirus infections such as this study provides may assist with evaluating the need to research and develop treatments for infections caused by virulent human EV genotypes.
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Affiliation(s)
- Ji-Yeon Hyeon
- Korea Center for Disease Control and Prevention, Cheongwon-gun, Chungcheongbuk-do, South Korea
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Detection and genotyping of enteroviruses in cerebrospinal fluid in patients in Victoria, Australia, 2007-2013. J Med Virol 2014; 86:1609-13. [DOI: 10.1002/jmv.23885] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2013] [Indexed: 11/07/2022]
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Aseptic meningitis outbreak caused by echovirus 30 in two regions in Bulgaria, May-August 2012. Epidemiol Infect 2013; 142:2159-65. [PMID: 24480099 DOI: 10.1017/s0950268813003221] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
An aseptic meningitis outbreak emerged in two regions in Bulgaria in 2012 and echovirus 30 (E30) was established as the aetiological agent by cell culture isolation, serological test, and molecular-based techniques. A total of 157 patients with aseptic meningitis were investigated, of which 117 were confirmed as having E30-associated disease. Molecular analysis of 12 E30 isolates revealed 99-100% nucleotide and amino-acid identity between them and a close correlation with a Greek strain involved in an E30 outbreak in 2012. Children aged 5-14 years were mainly affected, which could reflect the absence of E30 epidemics in Bulgaria for a period of 11 years. The first case with E30 isolation (a 2-year-old patient from Plovdiv) was notified at the end of April 2012. This was most likely the index case, from which the spread of the virus started, causing sporadic cases first, which later led to an aseptic meningitis outbreak facilitated by person-to-person viral transmission.
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Prevalence of nonpolio enteroviruses in the sewage of Guangzhou city, China, from 2009 to 2012. Appl Environ Microbiol 2013; 79:7679-83. [PMID: 24096418 DOI: 10.1128/aem.02058-13] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The human-pathogenic viruses in urban sewage have been extensively monitored to obtain information on circulating viruses in human communities. Enteroviruses (EVs) excreted by patients who present with diverse clinical syndromes can remain infectious in the environment for several weeks, and limited data on circulating environmental EVs are available. A 4-year (2009 to 2012) surveillance study was conducted to detect nonpolio enteroviruses (NPEVs) in the urban sewage of Guangzhou city, China. After the viruses in the sewage samples were concentrated and isolated, molecular identification was used to detect and type the NPEVs. During the 4-year study, 17 different NPEV serotypes were identified in the sewage of Guangzhou city. The most common serotypes were echovirus 11 (ECHO11), ECHO6, ECHO7, and ECHO12 and coxsackie group B viruses 5 (CVB5) and CVB3. The predominant serotypes were influenced by spatial and temporal factors and differed each year. CVB5 was commonly detected in 2009 and 2010 but was rarely isolated in 2011 and 2012. In contrast, CVB3 was not observed in 2009 and 2010 but was increasingly detected in 2011 and 2012. Our study provides an overview of the serotype distribution and circulation patterns of NPEVs in the sewage of Guangzhou, China. In the absence of a systematic EV disease surveillance system, the detection and characterization of sewage-borne NPEVs will help us better understand the changes in EV disease trends and the epidemic background of circulating EVs, which could help interpret the EV trends and warn of future outbreaks in this area.
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Cabrerizo M, Trallero G, Simmonds P. Recombination and evolutionary dynamics of human echovirus 6. J Med Virol 2013; 86:857-64. [PMID: 24114692 DOI: 10.1002/jmv.23741] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/08/2013] [Indexed: 11/07/2022]
Abstract
Enterovirus (EV) infections are associated with a wide array of often severe disease presentations including aseptic meningitis, encephalitis, and acute flaccid paralysis. Surveillance for polioviruses and other EVs is therefore important as a public health measure both for patient management and epidemiological studies. From 1988 to 2008, echovirus (E) 30 was the predominant genotype in Spain (33.7% of the total typed EVs). E6 was also endemic throughout this period although isolated less frequently (12.5%). In 2009, however, a substantial increase in the incidence of E6 was detected (60%), displacing E30 type (2%). To investigate the evolution and recombination in the epidemiology and transmission of E6 in Spain, a genetic analysis in VP1 and 3Dpol regions of 67 Spanish strains collected during the period 2004-2010 was performed. All VP1 sequences clustered monophyletically in the assigned genogroup C, subgroup 9, currently the predominant circulating strains identified in Europe and elsewhere in the last 10 years. 3Dpol sequences were interspersed with other species B EVs resulting from several recombination events that generated at least 12 different recombinant forms (RFs) among study samples. These showed typically minimal divergence in VP1. The co-circulation of different lineages of E6 in the same geographical area associated with its mainly endemic pattern of transmission may have contributed to the extremely short estimated half-life of E6 RFs (0.87 years). This pattern contrasts markedly with other species B EVs and EV71 where VP1 lineage expansion and extinction occurred in step with defined recombination events and periodic changes in incidence.
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Affiliation(s)
- María Cabrerizo
- Enterovirus Unit, National Centre for Microbiology, Instituto de Salud Carlos III, Madrid, Spain
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Takamatsu Y, Uchida L, Nga PT, Okamoto K, Nabeshima T, Thao DTT, Hai DT, Tuyet NT, Duc HM, Luat LX, Hasebe F, Morita K. An approach for differentiating echovirus 30 and Japanese encephalitis virus infections in acute meningitis/encephalitis: a retrospective study of 103 cases in Vietnam. Virol J 2013; 10:280. [PMID: 24025733 PMCID: PMC3847169 DOI: 10.1186/1743-422x-10-280] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2013] [Accepted: 09/09/2013] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND In recent decades, Echovirus 30 (E30) and Japanese encephalitis virus (JEV) have been reported to be the common causative agents of acute meningitis among patients in South East Asia. An E30 outbreak in Vietnam in 2001-2002 gained our interest because the initial clinical diagnosis of infected patients was due to JEV infection. There are few clinical insights regarding E30 cases, and there are no reports comparing E30 and JEV acute meningitis/encephalitis cases based on clinical symptoms and case histories. We therefore aimed to identify reliable clinical methods to differentiate E30 and JEV acute meningitis/encephalitis. METHODS A retrospective, cross-sectional study was conducted to compare E30 and JEV acute meningitis/encephalitis cases. We collected and analyzed the clinical records of 43 E30 confirmed cases (E30 group) and 60 JEV confirmed cases (JEV group). Clinical data were compared between the E30 and the JEV groups. Differences of clinical parameters were analyzed by certain statistical tests. RESULTS Fever, headache, and vomiting were the most common symptoms in both the E30 and the JEV groups. Combined symptoms of headache and vomiting and the triad of symptoms of fever, headache, and vomiting were observed in more patients in the E30 group (E30 vs. JEV: 19% vs. 0%, p < 0.001; 74% vs. 27%, p < 0.001, respectively). On the other hand, strong neurological symptoms such as seizure (5% vs. 73%, p < 0.001) and altered consciousness (12% vs. 97%, p < 0.001) were manifested primarily in the JEV group. CSF leukocytosis was observed predominantly in the E30 group (80 vs. 18 cells/μL, p = 0.003), whereas decreasing CSF sugar level was observed predominantly in the JEV group (58.7 vs. 46.9 mg/dL, p < 0.001). CONCLUSION Fever, headache, vomiting, absence of neurological symptoms (seizure, altered consciousness), and presence of CSF leukocytosis are important parameters to consider in differentiating E30 from JEV cases during early infection. Then, proper measures can be adopted immediately to prevent the spread of the disease in the affected areas.
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Affiliation(s)
- Yuki Takamatsu
- Department of Virology, Institute of Tropical Medicine, Nagasaki University, 1-12-4, Sakamoto, 852-8523 Nagasaki, Japan.
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Hyeon JY, Hwang S, Kim H, Song J, Ahn J, Kang B, Kim K, Choi W, Chung JK, Kim CH, Cho K, Jee Y, Kim J, Kim K, Kim SH, Kim MJ, Cheon DS. Accuracy of Diagnostic Methods and Surveillance Sensitivity for Human Enterovirus, South Korea, 1999–2011. Emerg Infect Dis 2013. [DOI: 10.3201/eid1908.130496] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
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Zhang T, Du J, Xue Y, Su H, Yang F, Jin Q. Epidemics and Frequent Recombination within Species in Outbreaks of Human Enterovirus B-Associated Hand, Foot and Mouth Disease in Shandong China in 2010 and 2011. PLoS One 2013; 8:e67157. [PMID: 23840610 PMCID: PMC3686723 DOI: 10.1371/journal.pone.0067157] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2013] [Accepted: 05/14/2013] [Indexed: 11/18/2022] Open
Abstract
The epidemiology and molecular characteristics of human enterovirus B (HEV-B) associated with hand, foot and mouth disease (HFMD) outbreaks in China are not well known. In the present study, we tested 201 HEV isolates from 233 clinical specimens from patients with severe HFMD during 2010-2011 in Linyi, Shandong, China. Of the 201 isolates, 189 were fully typed and 18 corresponded to HEV-B species (six serotypes CVA9, CVB1, CVB4, Echo 6, Echo 25 and Echo 30) using sensitive semi-nested polymerase chain reaction analysis of VP1 gene sequences. Phylogenetic analysis based on the VP1 region showed that eight E30SD belonged to a novel sub-genogroup D2; E25SD belonged to a novel sub-genogroup D6; E6SD belonged to sub-lineage C6 and five CVB1SD belonged to subgroup 4C; and B4SD belonged sub-lineage D2. The full viral genomes of the CVB1SD, E6SD, E25SD and E30SD isolates were sequenced. Analysis of phylogenetic and similarity plots indicated that E25SD recombined with E25-HN-2, E30FDJS03 and E4AUS250 at noncontiguous P2A-P3D regions, while E30SD, E30FDJ03, E25-HN-2 and E9 DM had shared sequences in discrete regions of P2 and P3. Both E6SD and B1SD shared sequences with E1-HN, B4/GX/10, B5-HN, and A9-Alberta in contiguous regions of most of P2 and P3. Genetic algorithm recombination detection analysis further confirmed the existence of multiple potential recombination points. In conclusion, analysis of the complete genomes of E25SD, E30SD, CVB1SD and E6SD isolated from HFMD patients revealed that they formed novel subgenogroup. Given the prevalence and recombination of these viruses in outbreaks of HFMD, persistent surveillance of HFMD-associated HEV-B pathogens is required to predict potential emerging viruses and related disease outbreaks.
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Affiliation(s)
- Ting Zhang
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy Medical Sciences & Peking Union Medical College, Beijing, China
| | - Jiang Du
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy Medical Sciences & Peking Union Medical College, Beijing, China
| | - Ying Xue
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy Medical Sciences & Peking Union Medical College, Beijing, China
| | - Haoxiang Su
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy Medical Sciences & Peking Union Medical College, Beijing, China
| | - Fan Yang
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy Medical Sciences & Peking Union Medical College, Beijing, China
- * E-mail: (FY); (QJ)
| | - Qi Jin
- MOH Key Laboratory of Systems Biology of Pathogens, Institute of Pathogen Biology, Chinese Academy Medical Sciences & Peking Union Medical College, Beijing, China
- * E-mail: (FY); (QJ)
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Wu W, Xu WB, Chen L, Chen HL, Liu Q, Wang DL, Chen YJ, Yao W, Li G, Feng B, Shu BH, Zhou YK, He YQ. Molecular identification and analysis of human enteroviruses isolated from healthy children in Shenzhen, China from 2010 to 2011. PLoS One 2013; 8:e64889. [PMID: 23762262 PMCID: PMC3675095 DOI: 10.1371/journal.pone.0064889] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2013] [Accepted: 04/19/2013] [Indexed: 01/09/2023] Open
Abstract
Objective To determine the prevalence and distribution of human enteroviruses (HEVs) among healthy children in Shenzhen, China. Method Clinical specimens were obtained from 320 healthy children under 5 years old in Shenzhen, China from 2010 to 2011. The specimens were evaluated using real-time PCR and cell cultures. The positive specimens were further tested using reverse transcription-seminested PCR (RT-snPCR). Molecular typing and phylogenetic analysis were based on the sequence determined. Results Among the 320 samples, 34 were tested positive for HEVs (10.6%) and 22 different serotypes were identified using RT-snPCR. PV1 and PV2 were also detected. The predominant serotype observed was EV71 (17.6%), followed by CV-B4 (14.7%). HEV-B was detected most frequently, with an overall prevalence of 47.1%. HEV-A and HEV-C were found in 32.3% and 20.6% of the samples, respectively. No HEV-D was identified. Molecular phylogeny indicated that all EV71 strains were of C4 genotype. Conclusion Although a variety of HEVs was detected in healthy children, HEV-B was relatively more prevalent than other HEV species. Considering HEV-A is more prevalent than HEV-B among patients with hand-foot-mouth disease, additional long-term surveillance of HEV is warranted in both asymptomatic and symptomatic populations.
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Affiliation(s)
- Wei Wu
- MOE Key Laboratory of Environment & Health, Institute of Environmental Medicine, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Wen-Bo Xu
- Chinese Center for Disease Control and Prevention, Beijing, China
| | - Long Chen
- School of Life Sciences, Shenzhen University, Shenzhen, China
| | - Hui-Ling Chen
- MOE Key Laboratory of Environment & Health, Institute of Environmental Medicine, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Qu Liu
- Shenzhen Longgang District Center for Disease Control and Prevention, Shenzhen, China
| | - Dong-Li Wang
- Shenzhen Guangming District Center for Disease Control and Prevention, Shenzhen, China
| | - Ying-Jian Chen
- Shenzhen Longgang District Center for Disease Control and Prevention, Shenzhen, China
| | - Wei Yao
- Shenzhen Longgang District Center for Disease Control and Prevention, Shenzhen, China
| | - Gang Li
- Shenzhen Longgang District Center for Disease Control and Prevention, Shenzhen, China
| | - Bin Feng
- Shenzhen Guangming District Center for Disease Control and Prevention, Shenzhen, China
| | - Bai-Hua Shu
- MOE Key Laboratory of Environment & Health, Institute of Environmental Medicine, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yi-Kai Zhou
- MOE Key Laboratory of Environment & Health, Institute of Environmental Medicine, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
- * E-mail: (YKZ); (YQH)
| | - Ya-Qing He
- Shenzhen Center for Disease Control and Prevention, Major Infectious Disease Control Key Laboratory, Shenzhen, China
- * E-mail: (YKZ); (YQH)
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Smura T, Kakkola L, Blomqvist S, Klemola P, Parsons A, Kallio-Kokko H, Savolainen-Kopra C, Kainov DE, Roivainen M. Molecular evolution and epidemiology of echovirus 6 in Finland. INFECTION GENETICS AND EVOLUTION 2013; 16:234-47. [DOI: 10.1016/j.meegid.2013.02.011] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 01/10/2013] [Accepted: 02/05/2013] [Indexed: 12/30/2022]
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