Kennedy advisers vote against MMRV shot for children under 4

US vaccine advisers voted on Thursday to revise the use of one of two key childhood vaccines under review, another step in US Health Secretary Robert F. Kennedy's push to rewrite US immunization policy. The group, which advises the Centers for Disease Control and Prevention on US vaccination schedules, recommended against allowing parents to choose the combined measles-mumps-rubella-varicella vaccine before age 4. Instead, separate vaccine shots will be given for measles-mumps-rubella and varicella. The votes are the first from Kennedy's 12-member Advisory Committee on Immunization Practices, many of whom have advocated against vaccine use. Five of those members were named this week. Kennedy, a longtime anti-vaccine activist, is moving at breakneck speed to push through changes to the nation's vaccine...