Health ❯ Epidemiology ❯ Disease Outbreaks

Measles Outbreaks

Vaccination Rates Public Health Response Statistics Case Statistics Contact Tracing Geographic Distribution Canada Regional Cases Travel-Related Cases United States

U.S. Measles Cases Hit 35-Year High as 2026 Total Tops 2025

Declining MMR coverage has created pockets of susceptible people that could lead PAHO to revoke U.S. measles elimination status in November.

Oral Antiviral Candidate Stops Measles-Like Virus Transmission in Ferret Study

U.S. Measles Cases Surpass Last Year’s Total and Put Elimination Status at Risk

Maricopa County Reports Seven New Measles Cases and Names Two Public Exposure Sites

Five Measles Cases Tied to Out‑of‑State Travel Prompt Exposure Alert in Maryland

Health Agencies Warn Travelers of Measles Exposure at Toronto and Philadelphia Airports

Measles Resurgence in England Leaves Two Children Dead

Georgia Confirms 3 Measles Cases in Unvaccinated Metro Atlanta Family

Bangladesh Measles Outbreak Kills 227 Children as Emergency Vaccination Expands

OPS Warns of Measles Surge Across the Americas Ahead of World Cup

PAHO Says Measles Has Returned to the Americas

Travel-Linked Measles Cases Prompt Exposure Alerts in Maryland and Rhode Island

California Measles Count Hits 39 as San Francisco Reports First Case Since 2019

Bangladesh Measles Deaths Climb as Emergency Vaccinations Target Young Children

Cook County Warns of Measles Exposures at O'Hare and North Suburban Sites

Washtenaw County Confirms Seventh Measles Case, Flags ER Exposure

Mexico Measles Outbreak Tops 12,000 Cases as Vaccination Drive Intensifies

Measles Outbreaks Escalate in London and California as Officials Move to Shield Schools and Boost Shots

U.S. Measles Count Hits 1,136 as Massachusetts Reports Two Cases

Measles Outbreak in Enfield Triggers School Exclusions and National Vaccination Push