Measles outbreaks in West Texas and New Mexico are now up to nearly 320 cases, and two unvaccinated people have died from measles-related causes.
Measles is caused by a highly contagious virus that’s airborne and spreads easily when an infected person breathes, sneezes or coughs. It is preventable through vaccines, and has been considered eliminated from the U.S. since 2000.
As of Friday, the U.S. Centers for Disease Control and Prevention said its count of confirmed measles cases in the U.S. surpassed 2024. .
How many measles cases are there in Texas and New Mexico? Texas state health officials said Tuesday there were 20 new cases of measles since last week, bringing the total to 279 across 11 counties — most in West Texas. Two more people were hospitalized, for a total of 36.
New Mexico health officials announced three new cases Tuesday, bringing the state’s total to 38. Most of the cases are in Lea County, where two people have been hospitalized, and the other cases are in Eddy County.
Oklahoma’s state health department reported two probable cases of measles, saying they are “associated” with the West Texas and New Mexico outbreaks.
A school-age child died of measles in Texas last month, and New Mexico reported its first measles-related death in an adult last week.
Where else is measles showing up in the U.S.? Measles cases have been reported in Alaska, California, Florida, Georgia, Kansas, Kentucky, Maryland, Michigan, New Jersey, New York, Pennsylvania, Rhode Island, Vermont and Washington.
The U.S. Centers for Disease Control and Prevention defines an outbreak as three or more related cases — and there have been three clusters that qualified as outbreaks in 2025.
In the U.S., cases and outbreaks are generally traced to someone who caught the disease abroad. It can then spread, especially in communities with low vaccination rates. In 2019, the U.S. saw 1,274 cases and almost lost its status of having eliminated measles.
Do you need an MMR booster? The best way to avoid measles is to get the measles, mumps and rubella vaccine. The first shot is recommended for children between 12 and 15 months old and the second between 4 and 6 years old.
People at high risk for infection who got the shots many years ago may want to consider getting a booster if they live in an area with an outbreak, said Scott Weaver with the Global Virus Network, an international coalition.
