Challenges and Strategies for Influenza Response After COVID-19 Pandemic

After the World Health Organization(WHO)declared the coronavirus disease 2019(COVID-19)pandemic in March 2020,the implementation of the most effective interventions became a paramount public health priority in the global response to the COVID-19 pandemic,especially before vaccines were available.Several studies have demonstrated that nonpharmaceutical interventions(NPIs),such as social distancing,wearing facemasks,and school closures,can substantially control the transmission of respiratory infections,including severe acute respiratory syndrome,pandemic H1N1 in 2009,and the COVID-19 pandemic.[1–3]However,various respiratory infections have become more prevalent since the COVID-19 pandemic.Since 2021,the incidence of respiratory syncytial virus(RSV)has rapidly increased in numerous countries,including the United States,[4]Australia,[5]England,[6]Italy,[7]Germany,[8]and Switzerland.[9]In December 2022,5 European countries,including France and the United Kingdom。