Key Points

Preliminary Report on Seasonal Influenza Surveillance for 2020–2021

• Influenza surveillance from week 40 of 2020 to week 15 of 2021

• In mainland France: sporadic detection of influenza A(H1N1)pdm09, A(H3N2), and B/Victoria viruses

• No active circulation of influenza viruses

• In the overseas territories: no influenza viruses detected

• No influenza epidemic detected this winter in the Northern Hemisphere

• Influenza vaccination coverage has increased significantly compared to previous years