Icahn School of Medicine at Mount Sinai and Boston Children’s Hospital researchers are issuing a warning about a measles resurgence in the U.S. occurring despite the availability of a safe and effective measles-mumps-rubella vaccine. Multiple states reported cases in 2025, with concentration in western Texas and New Mexico. Nearly 30% of US measles cases in 2025 occurred among children under 5 years of age, paired with a 21% hospitalization rate in that age group. More than 90% of cases occurred in unvaccinated individuals.
This article was originally published on MedicalXpress.com
