WHO Disease Update Notification:
Seasonal influenza
🦠Since August 2025, there's been a rapid increase of A(H3N2) J.2.4.1 subclade K driving early & prolonged seasons
🦠Vaccine helps against hospitalisation, unclear about milder impact
🦠K induces "normal" disease spectrum
www.who.int/emergencies/...
Seasonal influenza (‘the flu’) is an acute respiratory infection caused by influenza viruses that circulate globally and year-round. It can cause illness ranging from mild to severe, sometimes resulti...
