Vaccination

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CDC Reclassifies U.S. Flu Season as 'Moderately Severe' With Record Outpatient Illness

A drifted H3N2 subclade is fueling a rapid nationwide surge that the CDC expects to persist for weeks.

Measles Cases Reach 2,065 in 2025 as South Carolina Outbreak Climbs to 185

U.S. Pediatric Flu Deaths Rise to Nine as H3N2 Surge Strains Hospitals

New York Sets Record for Weekly Flu Cases as Hospitalizations Climb

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

Texas, Houston Warn of Whooping Cough Surge as U.S. Cases Stay Elevated

Drifted H3N2 ‘Subclade K’ Spreads to U.S. as Early Flu Wave Builds

Argentina Reaffirms National Vaccine Calendar With 22 Provinces, Adds Three Doses

Drifted H3N2 Variant Drives Early U.S. Flu Rise as Hospitalizations Increase

WHO Sounds Alarm on Global Measles Resurgence

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

Rabies Advisories Issued in Coastal Georgia and Jacksonville After Bobcat Attack and Raccoon Case

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

Measles Spreads in Salford, Oldham and Manchester, Latest UKHSA Data Show

Immune-Evasive H3N2 ‘K’ Variant Expands Across U.S., Heightening Flu Season Concerns

Italy Logs 450,000 New Respiratory Cases in a Week as Season Intensifies

New H3N2 Variant Emerges as Canada’s Flu Season Starts and U.S. Activity Remains Low

RSV Season Starts in UK With Rising Admissions as NHS Launches Pop-Up Flu Clinics

New H3N2 ‘Subclade K’ Drives Early Flu Surges as U.S. Officials Urge Vaccination

Measles Outbreak Reaches 1,723 U.S. Cases as Utah Confirms First Central District Infections