This week, the U.S. Centers for Disease Control and Prevention (CDC) issued new vaccination guidelines and now, some western states are telling people they're too dangerous to follow.

Seasonal influenza activity remained elevated and rose in the final week of December, U.S. Centers for Disease Control and Prevention data showed on Monday, as the agency for the first time classified the 2025-26 season as "moderately severe.

Activity during the current flu season is growing to severe levels, with the percentage of doctors’ visits for flu-like illnesses reaching the highest level on record, according to the most recent data from the Centers for Disease Control and Prevention (CDC).

How many vaccinations your child gets from birth through 12th grade may soon change after the CDC issued new guidelines.

The CDC announced Monday an unprecedented overhaul of the childhood vaccine schedule that recommends fewer shots to all children.