ArticleArchives of virology2024
Surge of acute gastroenteritis outbreaks due to rising norovirus GII.4 transmission in Seoul childcare centers and kindergartens in 2022 compared to 2019-2021.
Article in Archives of virology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Emergence of norovirus GII.7 and predominance of recombinant strains in pediatric acute gastroenteritis in Japan, 2021-2024.Archives of virology · 2026Article
- Person-to-Person Transmission During a Norovirus Outbreak in a Korean Kindergarten: A Retrospective Cohort Study.Children (Basel, Switzerland) · 2025Article
- Significant reduction in norovirus outbreaks and secondary transmission of acute gastroenteritis in Seoul schools following the COVID-19 pandemic: a retrospective epidemiological study.Journal of Yeungnam medical science · 2025Article
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2 authors.
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Abstract
Noroviruses are the most common cause of acute gastroenteritis (AGE) outbreaks in childcare centers and kindergartens. Their high transmissibility is partly due to their genetic diversity. AGE outbreaks that occurred in Seoul childcare centers and kindergartens from 2019 to 2022 were investigated, and 68 epidemiological reports prepared by public health centers in Seoul were used for data collection. In the three quarters of 2022, there were 40 outbreaks of AGE in Seoul childcare centers and kindergartens, which exceeded the 35 total outbreaks that occurred during the previous three years. The proportion of childcare centers and kindergartens with AGE outbreaks among all facilities in Seoul increased from 12.6% in 2019 to 58.8% in 2022. Noroviruses were the most common pathogens responsible for AGE outbreaks in these cases. From 2019 to 2021, norovirus GII.2 was the predominant genotype, and GII.4 was detected in about 25% of cases. However, in 2022, GII.4 became predominant and was detected in about 79% of cases. The attack rate and infection source of AGE outbreaks from 2019 to 2021 were not significantly different from those in 2022. In conclusion, the number of AGE outbreaks in Seoul childcare centers and kindergartens increased significantly, primarily because of increased norovirus GII.4 transmission in 2022.
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