2025 Outbreak vs. Historical Data (2000-2024)
Data as of July 9, 2025 | Source: CDC Measles Surveillance Reports
Next update: July 16, 2025 at 2:00 PM ET
1,288
vs. 285 in 2024
3
First deaths since 2015
38
Jurisdictions reporting
27
88% of cases linked
*2025 data through July 9, 2025. This is the highest number since 1992.
92% of cases were unvaccinated or had unknown vaccination status
Hospitalization Rate
12% (155 of 1,288 cases), highest in under-5 age group (20%)
Primary Outbreak
West Texas outbreak accounts for 753 cases; New Mexico & Oklahoma also heavily affected
International Spread
Cases linked to Texas outbreak reported in Mexico
MMR Effectiveness
Two doses are 97% effective at preventing measles
Data Source: CDC Measles Surveillance Reports, WHO Disease Outbreak News
Last updated: July 9, 2025 | Next scheduled update: July 16, 2025 at 2:00 PM ET
Prevention
MMR vaccination is 97% effective