Healthcare ❯ Vaccination ❯ Flu Vaccine

Effectiveness

Public Health Recommendations Subclade K Impact Pediatric Health Vaccination Rates Virus Mutation Vaccination Timing Subclade K Public Health Seasonal Vaccines

New H3N2 ‘Subclade K’ Drives Early U.S. Flu Surge as New York Sets Weekly Case Record

A partially mismatched vaccine still reduces severe illness, prompting calls for shots and early treatment.

Mutated H3N2 Strain Spurs Early Flu Rise as UK Admissions Climb and California, Chicago Flag Increases

Drifted H3N2 ‘Subclade K’ Drives Early U.S. Flu Uptick Before Holidays