Emergence of norovirus GII.7 and predominance of recombinant strains in pediatric acute gastroenteritis in Japan, 2021-2024.

doi:10.1007/s00705-026-06666-6

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Article

Emergence of norovirus GII.7 and predominance of recombinant strains in pediatric acute gastroenteritis in Japan, 2021-2024.

Archives of virology - 9 Jun 2026

Imakado Setsuko, Pham Ngan Thi Kim, Khamrin Pattara, Shimizu-Onda Yuko, Hoque Sheikh Ariful, Trinh Quang Duy, Hussain Mudassar, Yodmeeklin Arpaporn, Kumthip Kattareeya, Nishimura Shuichi, Kobayashi Masaaki, Sugita Kumiko, Okitsu Shoko, Maneekarn Niwat, Hayakawa Satoshi, Komine-Aizawa Shihoko, Yoshimune Kazuaki, Ushijima Hiroshi

Abstract excerpt

Noroviruses (NoVs) are a leading cause of acute gastroenteritis (AGE) worldwide, with genetic diversity driven by recombination and genotype replacement. This study investigated the prevalence and molecular characteristics of NoVs among Japanese children with AGE from July 2021 to June 2024. A total of 1,095 stool samples were collected from three prefectures (Kyoto, Osaka, and Shizuoka), and NoV RNA was detected...

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PMID: 42262572
DOI: 10.1007/s00705-026-06666-6

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