U.S. kindergarten vaccination rates have declined again, with exemptions reaching a record high.
A Massachusetts judge ruled in favor of medical organizations in their litigation against HHS Secretary Robert F. Kennedy Jr. for his changes to federal vaccine policy.
Psychologists and psychiatrists told ABC News that witnessing a death -- whether in person, via the news or on social media -- can impact mental health.
The American Academy of Pediatrics on Monday released its updated recommendations for what vaccines children should get.
Doctors say more parents are refusing vitamin K shots for their newborns, potentially putting babies at risk of severe bleeding.
Medical experts slammed the move, saying it could lead to reduced uptake of important vaccinations and increase disease.