Influence of COVID-19 pandemic on the virus spectrum in children with respiratory infection in Xuzhou, China: a long-term active surveillance study from 2015 to 2021.

BMC Infect Dis · 2023 · PMC10339539 · PMID 37442963

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an increasing trendno p-value reported

Surveillance data from the National Influenza Center in China shows an increasing trend in IFV activity levels until September 2021 with an absolute predominance of IFV-B [ 25 ].

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