Measles Cases Rise in the U.S. And Globally: A 2026 Update
Measles cases are on the rise both in the United States and around the world, prompting health officials to urge vaccination and increased vigilance. As of March 20, 2026, the Centers for Disease Control and Prevention (CDC) has reported 1,487 confirmed measles cases in the U.S. For 2026, with a significant proportion linked to ongoing outbreaks.
U.S. Measles Statistics in 2026
Through March 19, 2026, confirmed measles cases have been reported in 32 U.S. Jurisdictions: Alaska, Arizona, California, Colorado, Florida, Georgia, Idaho, Illinois, Kentucky, Maine, Massachusetts, Michigan, Minnesota, Missouri, Nebraska, Novel Mexico, New York City, New York State, North Carolina, North Dakota, Ohio, Oklahoma, Oregon, Pennsylvania, South Carolina, South Dakota, Texas, Utah, Vermont, Virginia, Washington, and Wisconsin. An additional 9 cases have been identified in international visitors to the U.S.
Notably, 94% of confirmed cases (1,398 of 1,487) are associated with outbreaks. 323 cases stem from outbreaks that began in 2026, while 1,075 are linked to outbreaks originating in 2025.
In 2025, a total of 2,285 confirmed measles cases were reported across 45 U.S. Jurisdictions.
Global Measles Outbreaks
The global measles situation remains concerning, with outbreaks occurring in every region of the world. An estimated 10.3 million people were infected with measles in 2023. The highly contagious nature of the virus allows it to easily cross borders, posing a threat even in countries like the U.S. Where measles was declared eliminated in 2000.
As of February 2026, the top 10 countries with the highest number of measles cases are:
- India: 12,135
- Angola: 11,941
- Indonesia: 8,892
- Yemen: 8,507
- Pakistan: 7,527
- Cameroon: 5,088
- Mexico: 4,636
- Sudan: 4,071
- Kazakhstan: 3,826
- Lao People’s Democratic Republic: 3,565
Risks and Prevention
Measles is an extremely contagious viral disease spread through respiratory droplets. Infected individuals are contagious from four days before the rash appears until four days after. The virus can survive in the air and on surfaces for up to two hours.
Complications from measles can be severe, including pneumonia, encephalitis, and even death. In 2025, 12% of reported U.S. Cases required hospitalization, and there were three confirmed deaths.
The most effective way to protect against measles is through vaccination with the measles, mumps, and rubella (MMR) vaccine. Healthcare providers are urged to remain alert for potential cases and to encourage vaccination.
Symptoms of Measles
Symptoms typically initiate with a fever, cough, runny nose, and conjunctivitis (pink eye), followed by a rash that starts on the face and spreads downward. If these symptoms appear, it is recommended to stay home, contact a doctor, and inform them of the possibility of measles exposure.
Looking Ahead
Continued monitoring of measles cases and outbreaks, both domestically and internationally, is crucial. Public health officials emphasize the importance of maintaining high vaccination rates to prevent further spread and protect vulnerable populations.
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