Article
Epidemiological Features of Human Norovirus Genotypes before and after COVID-19 Countermeasures in Osaka, Japan.
Viruses - 22 Apr 2024
Shirai Tatsuya, Phadungsombat Juthamas, Ushikai Yumi, Yoshikaie Kunihito, Shioda Tatsuo, Sakon Naomi
Abstract excerpt
We investigated the molecular epidemiology of human norovirus (HuNoV) in all age groups using samples from April 2019 to March 2023, before and after the COVID-19 countermeasures were implemented. GII.2[P16] and GII.4[P31], the prevalent strains in Japan before COVID-19 countermeasures, remained prevalent during the COVID-19 pandemic, except from April to November 2020; in 2021, the prevalence of GII.2[P16]...
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