More states are loosening vaccine mandates, scaling back vaccine promotion efforts and taking other steps likely to lower vaccination rates — even as a major measles outbreak spreads in Texas.

This week, the Food and Drug Administration — now with vaccine skeptic Robert F. Kennedy Jr. at the helm — unexpectedly and ...

The CDC estimates 19,000 people have died from the flu so far this winter including 86 children. The agency says at least ...

The 2024-2025 flu shot reduced hospitalizations by up to 78% in kids and 55% in adults. Flu cases are mostly caused by H1N1 ...