Health ❯ Infectious Diseases ❯ Influenza ❯ Influenza A

Subclade K

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

Officials urge vaccination to reduce severe disease despite a partial mismatch.

Flu Surges Nationwide as H3N2 Subclade K Dominates, Straining Hospitals Before Holidays