It marks the third meeting this year of the Advisory Committee on Immunization Practices (ACIP) since Health and Human Services Secretary Robert F. Kennedy Jr. fired all 17 members, replacing them with his own hand-selected picks, many of whom have expressed vaccine-skeptic views.

Vaccine advisers to the US Centers for Disease Control and Prevention may vote this week to make a major change to the childhood vaccine schedule, potentially delaying a dose of the hepatitis B vaccin...

At least 1,400 children each year could get a hepatitis B infection if the initial jab given to infants at birth was delayed by two months, according to an analysis done by researchers and public heal...