These Are the Most Common H3N2 Super Flu Symptoms Doctors Are Seeing Right Now
AOL.com••health
Key Points:
- The 2025-26 flu season is experiencing a severe outbreak due to a new variant of H3N2 Influenza A called "subclade K," which has undergone genetic drift and is causing higher infection and hospitalization rates across the U.S.
- This super flu strain is more aggressive, leading to stronger inflammatory responses, higher fevers, intense fatigue, and increased risk of complications such as pneumonia, especially in young children, older adults, and immunocompromised individuals.
- The current flu vaccine offers some protection but is less effective against this mutated strain; however, health experts still strongly recommend vaccination as it reduces severity, hospitalizations, and deaths.
- Preventive measures include good hygiene practices, avoiding close contact with sick individuals,
