Overview
- The United States has recorded over 1,000 measles cases in 2025, the highest since 2019, with 709 cases reported in Texas alone.
- Three fatalities have been confirmed, including two unvaccinated children in Texas and an adult in New Mexico, marking the deadliest measles outbreak in decades.
- Approximately 96% of infections involve unvaccinated individuals or those with unknown vaccination status, underscoring the risk posed by declining immunization rates.
- The outbreak has expanded to 30 states and parts of Canada, with 14 outbreaks officially identified by the CDC, most linked to Texas as the epicenter.
- Health officials warn that additional cases are likely as the highly contagious virus spreads, with vaccination campaigns facing challenges from misinformation and resource constraints.