Since being sworn in as Health and Human Services (HHS) secretary, Robert F. Kennedy Jr has repeatedly tried to undermine public trust in vaccines. His agency recently took steps to slow down the ...

A higher dose of the flu vaccine may cut Alzheimer’s risk by more than half, research suggests. Image credit: alvarez/Getty Images For example, a study published in December 2025 found that the ...

The flu season is ramping up in a big way as an influenza A H3N2 mutation called subclade K drove a near 15% increase in clinical lab tests and a hospitalization rate of 11 people per 100,000, ...

Every year, flu vaccines are updated to match the flu viruses expected to circulate. For 2026, the vaccine focuses on several influenza strains that research predicts will be most prevalent. This ...

Both the seasonal flu vaccine and the updated COVID-19 vaccine are recommended annually for nearly everyone ages 6 months and older to prevent severe respiratory illness, hospitalizations, and death.

Influenza A H3N2 subclade K has driven flu cases across the country, with 52 counties in Florida seeing increases over the past week. While the current flu vaccine might be a "mismatch," it still ...