Researchers have raised concerns about an unusual federal grant made to Danish researchers to study the hepatitis B vaccine birth dose in Africa. The CDC awarded $1.6 million over 5 years to an unsolicited proposal from researchers at the University of Southern Denmark, according to a Notice of Award published in the Federal Register this week.

Michigan's chief medical executive split with the CDC Thursday, issuing a standing recommendation to no longer follow federal vaccine schedules.

The CDC formally approved a major change to the childhood immunization schedule by dropping the long-standing recommendation for all newborns to get a hepatitis B vaccine.

The Centers for Disease Control and Prevention's vaccine advisory panel voted Friday to change the recommendation for when children should get their first dose of the hepatitis B vaccine. Instead of a first dose within 24 hours of birth — as the CDC has advised for more than 30 years — the panel voted to recommend delaying it until a child is 2 months old for children born to mothers who test negative for the virus.

Americans’ confidence in the Centers for Disease Control and Prevention has plummeted, according to a 2025 National Foundation for Infectious Diseases survey, and many young people are