Influenza Epidemiological Bulletin, Week 4. 2020–2021 Season.

Key Points

Mainland France

  • Influenza surveillance since Week 40

  • No active circulation of influenza viruses identified by dedicated surveillance networks; only 19 influenza viruses detected (17 in hospitals and 2 by the Sentinelles network) in various regions, including at least 2 in people returning from travel abroad

Overseas

  • No influenza viruses detected by dedicated surveillance networks in recent weeks

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