The latest KFF Tracking Poll on Health Information and Trust finds about half of parents mistakenly believe spacing out vaccines is healthier for children, while confidence in many long-standing childhood vaccines is high across partisans. These findings take on new relevance following President Trump’s recent executive order calling for changes in U.S. childhood vaccine recommendations, including splitting the measles, mumps, and rubella (MMR) vaccine—currently given as a single combined shot—into three separate vaccines across multiple visits.
KFF Tracking Poll on Health Information and Trust: Fall 2026 Update on Vaccine Views
