Health ❯ Public Health ❯ Infectious Diseases ❯ Influenza

Influenza A H3N2

Flu Hospitalizations Double as H3N2 Subclade K Drives Early U.S. Surge

Despite a partial mismatch, the current shot reduces severe illness.

Flu Season Accelerates as H3N2 Subclade K Becomes Dominant in the U.S.