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Papagiannis D, Perlepe G, Tendolouri T, Karakitsiou P, Damagka G, Kalaitzi A, Alevra S, Malli F, Gourgoulianis KI. Proportion of Respiratory Syncytial Virus, SARS-CoV-2, Influenza A/B, and Adenovirus Cases via Rapid Tests in the Community during Winter 2023-A Cross Sectional Study. Diseases 2023; 11:122. [PMID: 37754318 PMCID: PMC10529898 DOI: 10.3390/diseases11030122] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 09/13/2023] [Accepted: 09/14/2023] [Indexed: 09/28/2023] Open
Abstract
Respiratory infections constitute a major reason for infants and children seeking medical advice and visiting health facilities, thus remaining a significant public threat with high morbidity and mortality. The predominant viruses causing viral respiratory infections are influenza A and B viruses (Flu-A, Flu-B), respiratory syncytial virus (RSV), adenovirus and coronaviruses. We aimed to record the proportion of RSV, SARS-CoV-2, influenza A/B and adenovirus cases with rapid antigen tests and validate the results with RT-PCR assays of upper respiratory specimens with a wide range of viral loads and (co)-infection patterns in children. Clinical samples were collected from early symptomatic children (presenting with fever and/or cough and/or headache within 5-7 days). The surveillance program was conducted in five private pediatric dispensaries and one pediatric care unit, from 10 January 2023 to 30 March 2023 in central Greece. The total sample of specimens collected was 784 young children and infants, of which 383 (48.8%) were female and 401 were male (51.2%). The mean age of participants was 7.3 + 5.5 years. The sensitivity of the FLU A & B test was 91.15% (95% CI: 84.33-95.67%), and the specificity was 98.96% (95% CI: 97.86-99.58%). The sensitivity and specificity of the adenovirus and RSV test was {92.45% (95% CI: 81.79-97.91%), 99.32% (95% CI: 98.41-99.78%)} and {92.59% (95% CI: 75.71-99.09%), 99.47% (95% CI: 98.65-99.86%)} respectively. Lastly, the sensitivity of the SARS-CoV-2 test was 100.00% (95% CI: 79.41-100.00%) and the specificity was 99.74% (95% CI: 99.06-99.97%). We recorded a proportion of 14.3% and 3.44% for influenza A and B, respectively, followed by a proportion of 6.9% for adenovirus, a proportion of 3.7% for RSV, and finally, a proportion of 2.3% for SARS-CoV-2. The combination of a new multiple rapid test with multiple antigens will probably be a useful tool with a financial impact for health systems targeting the early detection and appropriate treatment of respiratory infections in emergency departments in primary health care facilities.
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Affiliation(s)
- Dimitrios Papagiannis
- Public Health & Vaccines Laboratory, Department of Nursing, School of Health Sciences, University of Thessaly, 41110 Larissa, Greece
| | - Garifallia Perlepe
- Respiratory Medicine Department, Faculty of Medicine, University of Thessaly, 41500 Larissa, Greece; (G.P.); (K.I.G.)
| | - Theodora Tendolouri
- MD Private Sector of Greek Health System, Kanouta 1 Str. Trikala Thessaly, 42100 Trikala, Greece;
| | - Polyxeni Karakitsiou
- MD Private Sector of Greek Health System, Annas Komninis 1-3 Str. Trikala Thessaly, 42100 Trikala, Greece;
| | - Georgia Damagka
- MD Private Sector of Greek Health System, Lefkosias Str. 3 Larissa Thessaly, 41335 Larissa, Greece;
| | - Anna Kalaitzi
- Pediatric Department, General Hospital of Larissa, Tsakalof 1 Str. Larissa Thessaly, 41221 Larissa, Greece; (A.K.); (S.A.)
| | - Sofia Alevra
- Pediatric Department, General Hospital of Larissa, Tsakalof 1 Str. Larissa Thessaly, 41221 Larissa, Greece; (A.K.); (S.A.)
| | - Foteini Malli
- Respiratory Disorders Laboratory, Department of Nursing, University of Thessaly, 41110 Larissa, Greece;
| | - Konstantinos I. Gourgoulianis
- Respiratory Medicine Department, Faculty of Medicine, University of Thessaly, 41500 Larissa, Greece; (G.P.); (K.I.G.)
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Chigor VN, Chidebelu PE, Digwo DC, Chigor CB, Nwagwu AU, Udeh OS, Oguonu CI, Dibua MEU, Farkas K. Assessment of the aetiology of acute gastroenteritis outbreaks in infants reveals rotavirus, noroviruses and adenovirus prevalence and viral coinfections in Nsukka, Nigeria. Virusdisease 2023; 34:297-306. [PMID: 37408547 PMCID: PMC10317937 DOI: 10.1007/s13337-023-00821-2] [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: 12/27/2022] [Accepted: 04/10/2023] [Indexed: 07/07/2023] Open
Abstract
A better understanding of the aetiology of acute gastroenteritis (AGE) outbreaks in Southeast Nigeria would help safeguarding public health. This study screened stool samples collected from infants (children < 5 years of age) attending selected hospitals in Nsukka for human enteric viruses and evaluated the seasonality of AGE based on three-year records available at selected hospitals. A total of 120 stool samples (109 from diarrhoeal-patients and 11 from non-diarrhoeal patients, as control) collected during the AGE outbreaks of January - March 2019 and January-February 2020. The samples were analysed using an immunochromatographic lateral flow assay for differential qualitative detection of rotavirus (RoV), adenovirus (AdV), and norovirus genogroups I and II (NoVI, NoVII). Three-year (2017-2019) retrospective data on the cases of AGE reported at the hospitals were also collected and analysed. The overall prevalence of acute gastroenteritis was high (75.83%), with 13.19%representing viral co-infections. Rotavirus detection rate (69.17%) was higher than that for other viral agents (15.83%). Both mono- and mixed infections were observed for RoV, AdV and NoVII, whereas NoVI was detected only in co-infection cases. Analysis of risk factors showed that acute gastroenteritis was detected more often in infants of age ˂1 year (73.53%) than in those 1 ≤ 2 years (22.55%) or > 2 years (3.92%) in age. Gender and age were not associated with the cases of co-infections (p˂0.05). The seasonality data indicated one peak of the infection occurring in January 2017 which has decreased consecutively in the subsequent two years. These results demonstrate the prevalence and co-occurrence of enteric viruses in cases of infantile diarrhoea in Nsukka. Further molecular characterization of enteric virus strains, especially noroviruses, in this region would contribute significantly to global epidemiological data. Supplementary Information The online version contains supplementary material available at 10.1007/s13337-023-00821-2.
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Affiliation(s)
- Vincent N. Chigor
- Water and Public Health Research Group (WPHRG), University of Nigeria, Nsukka, Enugu State Nigeria
| | - Paul E. Chidebelu
- Water and Public Health Research Group (WPHRG), University of Nigeria, Nsukka, Enugu State Nigeria
| | - Daniel C. Digwo
- Water and Public Health Research Group (WPHRG), University of Nigeria, Nsukka, Enugu State Nigeria
| | - Chinyere B. Chigor
- Water and Public Health Research Group (WPHRG), University of Nigeria, Nsukka, Enugu State Nigeria
| | - Aja U. Nwagwu
- Water and Public Health Research Group (WPHRG), University of Nigeria, Nsukka, Enugu State Nigeria
| | - Okwundu S. Udeh
- GOPD/Paediatrics, Faith Foundation Mission Hospital, Nsuk,Ka, Nsukka, Enugu State Nigeria
| | - Chukwunonso I. Oguonu
- GOPD/Paediatrics, Nsukka Medical Clinic, Ugwunkwo, Nsukka, Nsukka, Enugu State Nigeria
| | - Marie-Esther U. Dibua
- Water and Public Health Research Group (WPHRG), University of Nigeria, Nsukka, Enugu State Nigeria
| | - Kata Farkas
- School of Ocean Sciences, Bangor University, Menai Bridge, Anglesey, UK
- School of Natural Sciences, Bangor University, Bangor, Gwynedd UK
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Olsson-Åkefeldt S, Rotzén Östlund M, Hammas B, Eriksson M, Bennet R. Reduction of rotavirus as a cause of nosocomial diarrhoea in northern Stockholm after introducing the rotavirus vaccine. Infect Dis (Lond) 2023; 55:175-180. [PMID: 36527430 DOI: 10.1080/23744235.2022.2153912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Background: Vaccination against rotavirus was offered in Stockholm to children born on 1 March 2014 and onwards with 85% coverage after two years. We investigated changes in nosocomial diarrhoea 2010-2018 in children admitted to Astrid Lindgren Children's Hospital, Stockholm, Sweden. Methods: We retrospectively identified cases from diagnostic and virology department registers. Complications and chronic medical conditions were retrieved from the case records. Children <18 years of age who developed diarrhoea ≥48 h after admission for another diagnosis and had a faecal sample submitted to the virology department were included. Results: There were 474 episodes of nosocomial diarrhoea. Of these, 401 (85%) occurred in children with chronic medical conditions. In children <5 years the rates of nosocomial rotavirus gastroenteritis, with 95% confidence intervals, significantly decreased from 0.34 (0.25-0.45) per 100 admissions prevaccination to 0.09 (0.04-0.17) postvaccination and from 0,66 (0.48-0.88) to 0.16 (0.07-0.30) cases per 1000 hospital days. Postvaccination norovirus became the most frequent pathogen. Virus-positive cases were more common in young children and in winter months. Conclusions: Before the initiation of rotavirus vaccination, norovirus and rotavirus were equally common causes of nosocomial diarrhoea. Postvaccination, rotavirus was reduced by approximately 75% while the frequency of other viruses did not change.
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Affiliation(s)
- Selma Olsson-Åkefeldt
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden.,Department of Women's and Children's Health, Childhood Cancer Research Unit, Karolinska Institutet, Karolinska University Hospital, Stockholm, Sweden
| | - Maria Rotzén Östlund
- Department of Communicable Disease Control and Prevention, Stockholm County Council, Stockholm, Sweden
| | - Berit Hammas
- Department of Microbiology, Karolinska University Hospital, Stockholm, Sweden
| | - Margareta Eriksson
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
| | - Rutger Bennet
- Astrid Lindgren Children's Hospital, Karolinska University Hospital, Stockholm, Sweden
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Mihala G, Ware RS, Lambert SB, Bialasiewicz S, Whiley DM, Sarna M, Sloots TP, Nissen MD, Grimwood K. Potentially Pathogenic Organisms in Stools and Their Association With Acute Diarrheal Illness in Children Aged <2 Years. J Pediatric Infect Dis Soc 2022; 11:199-206. [PMID: 35020908 DOI: 10.1093/jpids/piab130] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 12/13/2021] [Indexed: 11/12/2022]
Abstract
BACKGROUND Acute diarrheal illness (ADI) causes a substantial disease burden in high-income countries. We investigated associations between potentially pathogenic organisms in stools and ADI by polymerase chain reaction (PCR) in Australian children aged <2 years. METHODS Children in a community-based birth cohort had gastrointestinal symptoms recorded daily and stool samples collected weekly until their second birthday. Diarrhea was defined as ≥3 liquid or looser than normal stools within a 24-hour period. PCR assays tested for 11 viruses, 5 bacteria, and 4 protozoa. Detections of a new organism or of the same following at least 2 negative tests were linked to ADIs, and incidence rates and estimates of association with ADI were calculated. RESULTS One hundred fifty-four children provided 11 111 stool samples during 240 child-years of observation, and 228 ADIs were linked to samples. Overall, 6105 (55%) samples tested positive for a target organism. The incidence rate of 2967 new detections was 11.9 (95% confidence interval 11.4-12.3) per child-year, with 2561 (92%) new detections unrelated to an ADI. The relative risk of an ADI was 1.5-6.4 times greater for new detections of adenovirus, enterovirus, norovirus GII, parechovirus A, wild-type rotavirus, sapovirus GI/II/IV/V, Salmonella, Blastocystis, and Cryptosporidium, compared to when these were absent. CONCLUSIONS Wild-type rotavirus, norovirus GII, sapovirus GI/II/IV/V, adenovirus 40/41, and Salmonella were associated with ADI in this age group and setting. However, high levels of asymptomatic shedding of potential pathogens in stools from children may contribute to diagnostic confusion when children present with an episode of ADI.
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Affiliation(s)
- Gabor Mihala
- Menzies Health Institute Queensland and School of Medicine and Dentistry, Griffith University, Gold Coast, Queensland, Australia
| | - Robert S Ware
- Menzies Health Institute Queensland and School of Medicine and Dentistry, Griffith University, Gold Coast, Queensland, Australia
| | - Stephen B Lambert
- Child Health Research Centre, School of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Seweryn Bialasiewicz
- Queensland Paediatric Infectious Diseases Laboratory, Children's Health Queensland, South Brisbane, Queensland, Australia
| | - David M Whiley
- Queensland Paediatric Infectious Diseases Laboratory, Children's Health Queensland, South Brisbane, Queensland, Australia.,The University of Queensland Centre for Clinical Research (UQCCR), Faculty of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Mohinder Sarna
- School of Public Health, Curtin University, Bentley, Western Australia, Australia.,Wesfarmers Centre for Vaccines and Infectious Diseases, Telethon Kids Institute, Nedlands, Western Australia, Australia
| | - Theo P Sloots
- Child Health Research Centre, School of Medicine, The University of Queensland, Brisbane, Queensland, Australia
| | - Michael D Nissen
- Queensland Paediatric Infectious Diseases Laboratory, Children's Health Queensland, South Brisbane, Queensland, Australia
| | - Keith Grimwood
- Menzies Health Institute Queensland and School of Medicine and Dentistry, Griffith University, Gold Coast, Queensland, Australia.,Departments of Infectious Diseases and Paediatrics, Gold Coast Health, Gold Coast, Queensland, Australia
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van Dongen JAP, Rouers EDM, Schuurman R, Band C, Watkins SM, van Houten MA, Bont LJ, Norbruis OF, Hemels MAC, van Well GTJ, Vlieger AM, van der Sluijs J, Stas HG, Tramper-Stranders G, Kleinlugtenbeld EA, van Kempen AAMW, Wessels M, van Rossem MC, Dassel CACM, Pajkrt D, Bonten MJM, Bruijning-Verhagen PCJ. Rotavirus Vaccine Safety and Effectiveness in Infants With High-Risk Medical Conditions. Pediatrics 2021; 148:183442. [PMID: 34814164 DOI: 10.1542/peds.2021-051901] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/21/2021] [Indexed: 11/24/2022] Open
Abstract
OBJECTIVES Rotavirus vaccination has 87% to 100% effectiveness against severe rotavirus acute gastroenteritis (AGE) in healthy infants in high-income countries. Little is known whether infants with medical risk conditions (MRCs) are equally protected and if the vaccine is equally well tolerated. We conducted a quasi-experimental prospective multicenter before-after cohort study to assess the vaccine effectiveness (VE) and safety profile of the human rotavirus vaccine (HRV) among MRC infants that required prolonged or frequent postnatal care. METHODS The Netherlands has no national rotavirus immunization program, but HRV was implemented in routine care for MRC infants in 13 Dutch hospitals. Participants in the before and after cohort, HRV unvaccinated and vaccinated, respectively, were followed for occurrence of (rotavirus) AGE. VE of at least 1 dose was estimated by using time-to-event analysis for severe rotavirus AGE. Vaccine-related serious adverse event (AEs) after HRV were retrieved systematically from medical charts. Solicited AEs after vaccinations were prospectively collected and compared between vaccination time points with or without HRV. RESULTS In total, 1482 high-risk infants with MRC were enrolled, including 631 in the before and 851 in the after cohorts; 1302 infants were premature (88.3%), 447 were small for gestational age (30.2%), and 251 had at least 1 congenital disorder (17.0%). VE against severe rotavirus AGE was 30% (95% confidence interval [CI]: -36% to 65%). Overall, the observed number of rotavirus hospitalizations was low and not significantly different between the cohorts (2 and 2, respectively). The rate of vaccine-related serious AE was 0.24 per 100 vaccine doses. The adjusted risk ratio for any AE after HRV vaccination compared with other routine vaccinations was 1.09 (95% CI: 1.05 to 1.12) for concomitant administration and 0.91 (95% CI: 0.81 to 0.99) for single HRV administration. Gastrointestinal AEs were 10% more frequent after HRV. CONCLUSIONS In contrast to previous findings among healthy term infants, in routine use, HRV offered limited protection to vulnerable medical risk infants. HRV is generally well tolerated in this group in single administration, but when coadministered with routine vaccines, it is associated with higher risk of (mostly gastrointestinal) AE. Our study highlights the importance of studying vaccine performance in subgroups of medically vulnerable infants.
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Affiliation(s)
| | - Elsbeth D M Rouers
- Julius Center for Health Sciences and Primary Care, Epidemiology of Infectious Diseases.,National Institute for Public Health and the Environment, Center for Infectious Disease Control, Bilthoven, Netherlands
| | | | - Caterina Band
- Department of Pediatrics, Spaarne Gasthuis, Haarlem and Hoofddorp, Netherlands
| | - Shannon M Watkins
- Julius Center for Health Sciences and Primary Care, Epidemiology of Infectious Diseases
| | | | - Louis J Bont
- Pediatrics, University Medical Center Utrecht, Utrecht, Netherlands
| | - Obbe F Norbruis
- Department of Pediatrics, Isala Hospital, Zwolle, Netherlands
| | | | - Gijs T J van Well
- Department of Pediatrics, Maastricht University Medical Centre, Maastricht, Netherlands
| | - Arine M Vlieger
- Department of Pediatrics, St Antonius Hospital, Nieuwegein, Netherlands
| | | | - Helene G Stas
- Department of Pediatrics, Maasstad Hospital, Rotterdam, Netherlands
| | | | | | | | - Margreet Wessels
- Department of Pediatrics, Rijnstate Hospital, Arnhem, Netherlands
| | | | | | - Dasja Pajkrt
- Department of Pediatrics, Amsterdam University Medical Centre, Amsterdam, Netherlands
| | - Marc J M Bonten
- Julius Center for Health Sciences and Primary Care, Epidemiology of Infectious Diseases.,Departments of Medical Microbiology.,National Institute for Public Health and the Environment, Center for Infectious Disease Control, Bilthoven, Netherlands
| | - Patricia C J Bruijning-Verhagen
- Julius Center for Health Sciences and Primary Care, Epidemiology of Infectious Diseases.,Departments of Medical Microbiology.,National Institute for Public Health and the Environment, Center for Infectious Disease Control, Bilthoven, Netherlands
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