ArticleThe Journal of infectious diseases2023
Epidemiology and Risk Factors of Norovirus Infections Among Diarrhea Patients Admitted to Tertiary Care Hospitals in Bangladesh.
Article in The Journal of infectious diseases, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed, 10 citations in OpenAlex.
- Global trends in norovirus genotype distribution among medically attended children with acute gastroenteritis, 2020-2025.Journal of clinical virology : the official publication of the Pan American Society for Clinical Virology · 2026Article
- Prevalence and genotype distribution of human norovirus infections in Ghana: A systematic review and meta-analysis.Environmental health insights · 2025Review
- Epidemiological and molecular surveillance of norovirus in the Brazilian Amazon: description of recombinant genotypes and improvement of evolutionary analysis.Revista do Instituto de Medicina Tropical de Sao Paulo · 2024Article
- Global burden and trends of norovirus-associated diseases from 1990 to 2021 an observational trend study.Frontiers in public health · 2024Observational
- Norovirus Epidemiology and Genotype Circulation during the COVID-19 Pandemic in Brazil, 2019-2022.Pathogens (Basel, Switzerland) · 2023Article
Corrections and comments
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- Erratum issued
Authors and funding
14 authors at 2 institutions in 2 countries.
Funding
Abstract
backgroundNorovirus is a major cause of endemic acute gastroenteritis (AGE) worldwide. We described the epidemiology, risk factors, and genotypic distribution of noroviruses among hospitalized patients of all ages in Bangladesh.
methodsFrom March 2018 to October 2021, 1250 AGE case patients and controls (age, sex, season, and site matched) were enrolled at 10 hospitals. Demographic and clinical information was collected; real-time reverse-transcriptase polymerase chain reaction (RT-PCR) used to test stool specimens, and positive samples were genotyped.
resultsNorovirus was detected in 9% of cases (111 of 1250) and 15% (182 of 1250) of controls. Eighty-two percent of norovirus-positive cases were in children <5 years old. Norovirus-positive AGE hospitalizations occurred year-round, with peaks in April and October. Risk factors for norovirus included age <5 years (adjusted odds ratio, 3.1 [95% confidence interval, 1.9-5.2]) and exposure to a patient with AGE in the 10 days before enrollment (3.8 [1.9-7.2]). GII.3[P16] and GII.4 Sydney[P16] were the predominant genotypes.
conclusionsWe highlight the burden of norovirus in hospital settings. Young age and recent exposure to a patient with AGE were risk factors for norovirus. A high prevalence of norovirus among controls might represent asymptomatic reinfections or prolonged shedding from a previous infection; carefully designed longitudinal studies are needed to improve our understanding of norovirus infections in Bangladesh.
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