H3N2 flu is surging — and just had the ‘perfect environment’ for a spike
- Posted on January 2, 2026
In the week ending Dec. 20, one in four (25.6 per cent) of every influenza test conducted in the U.S. came back positive, the U.S. CDC said.
In the week ending Dec. 20, one in four (25.6 per cent) of every influenza test conducted in the U.S. came back positive, the U.S. CDC said.