A federal vaccine advisory committee made of members hand-picked by Health and Human Services Secretary Robert F. Kennedy Jr. recommended in an 8-3 vote on Thursday that the combined measles, mumps, rubella and varicella (MMRV) vaccine should not be given before age four, citing long-known evidence that shows a slightly increased risk for febrile seizures in that age group.
Experts say that while frightening, febrile seizures—which are uncommon after vaccination—are usually short-lived and harmless,…








