ArticleViruses2021
Norovirus Epidemiology and Genetic Diversity in Leipzig, Germany during 2013-2017.
Article in Viruses, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 1 of them a synthesis that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
9 citing papers in PubMed, 1 synthesis or guideline pooled it, 10 citations in OpenAlex.
- Disease burden of norovirus-associated diarrhea among children under 5 years old in China: a meta-analysis.BMC infectious diseases · 2025Pooled it
- Emergence and predominance of GII.17[P17] noroviruses in Brazil, 2023-2024.Scientific reports · 2026Article
- Epidemiologic Trends, Genetic Diversity, and Risk Factors of Norovirus Outbreaks in Beijing, China, 2016-2022.Viruses · 2026Article
- Epidemiology and genetic diversity of norovirus GII genogroups among pediatric patients in Beijing, China, during 2023-2024.Virology journal · 2025Article
- Increased circulation of GII.17 noroviruses, six European countries and the United States, 2023 to 2024.Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin · 2024Article
- Norovirus Epidemiology and Genotype Circulation during the COVID-19 Pandemic in Brazil, 2019-2022.Pathogens (Basel, Switzerland) · 2023Article
- Changing predominance of norovirus strains in children with acute gastroenteritis in Shanghai, 2018-2021.Virologica Sinica · 2023Article
- Spatio-temporal distribution and influencing factors of norovirus outbreaks in Beijing, China from 2016 to 2020.BMC infectious diseases · 2023Article
- Norovirus, Hepatitis A and SARS-CoV-2 surveillance within Chilean rural wastewater treatment plants based on different biological treatment typologies.The Science of the total environment · 2023Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Globally and in all age groups, noroviruses are a main cause of gastroenteritis. To assess their local epidemiology and genetic diversity, stool samples of 7509 inpatients with gastrointestinal complaints from all age groups were analyzed. After detection of norovirus genogroup I and II RNA by real-time RT-PCR, viral capsids were genotyped by partial nucleic acid sequencing. In the case of GII.2 strains, polymerase genotypes were also assessed. Between October 2013 and September 2017, presence of norovirus RNA was shown in 611 samples (8.1%), of which 610 (99.8%) were typed successfully. Norovirus positivity rate was higher in patients aged below five years (14.8%) than in older patients (5.7%). Among the 611 norovirus positive samples, GII.4 (56.6%) strains prevailed, followed by GII.6 (11.3%), GII.3 (11.0%) and GII.2 (9.5%). The most common genogroup I (GGI) genotype was GI.3 (3.6%). In addition, rare genotypes such as GII.13, GII.14 and GII.26 were detected. Interestingly, GII.3 infections were most common in children under the age of five years. Assessment of polymerase genotypes in GII.2 viruses showed a shift from P2 to P16, with higher diversity in P2 sequences. The varying distribution of norovirus genotypes depending on season, age and setting of infection highlights the importance of frequent genotyping as a basis for vaccine development and needful adjustments.
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