Virological surveillance report of the NRC influenza for season 2022-2023

Last updated on 2-1-2024 by Cyril Barbezange

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Sci. report, recommendat°, guidance doc., directive, monograph



Based on the sentinel surveillance networks for influenza-like illness (ILI) and severe acute respiratory infections (SARI), the 2022-2023 season was characterized by the circulation of several respiratory viruses with epidemic waves overlapping each others. Respiratory syncytial virus was responsible for an epidemic wave in November-December 2022, coinciding with a small wave of human metapneumovirus, but it continued to circulate in January 2023. Influenza viruses were responsible for a first epidemic wave at the end of December 2022 — so slightly earlier than during the seasons preceding…

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