Variability in Recommendations for Measles, Mumps, Rubella Vaccination, and Vitamin A Administration in the Setting of Measles Outbreaks.

A survey of Emerging Infections Network members conducted in June 2025 of 169 pediatric infectious disease physician respondents practicing in the United States demonstrated that risk assessments drove pre-travel measles, mumps, rubella vaccine recommendations. Hospitalization, oral formulation availability, oral administration, and vitamin A deficiency influenced vitamin A recommendations.