• A federal judge in Massachusetts ruled on Monday to block Health Secretary Robert F. Kennedy Jr.'s recent changes to the nation's childhood vaccine schedule, following a lawsuit by the American Academy of Pediatrics and other medical groups.
• The plaintiffs argued that Kennedy's alterations to vaccine recommendations and the influential vaccine advisory committee violated federal law, marking a significant setback to his health policy agenda.
• This ruling highlights ongoing tensions between the Department of Health and Human Services and medical organizations over public health guidelines and federal compliance.