A federal judge on Monday blocked major parts of Secretary of Health and Human Services Robert F. Kennedy, Jr.’s broad overhaul of U.S. vaccine policy in a decision that sides with six medical groups,...

A federal judge blocked key parts of Health Secretary Robert F. Kennedy Jr.'s effort to reshape U.S. vaccine policy, including a move to reduce the number of immunizations routinely ​recommended for c...

The decision delivers a blow to Health and Human Services Secretary Robert F. Kennedy Jr.’s fight to overhaul the country’s immunization policies.