More than two months in, the West Texas outbreak is believed to have spread to New Mexico, Oklahoma and Kansas, sickening nearly 570 people. The World Health Organization also reported cases related to Texas in Mexico.

The Centers for Disease Control and Prevention has begun redeploying staff to respond to the deadly outbreak of measles in Texas, a spokesperson said Monday, a week after steep layoffs at the agency impacted its response to the spread of the virus.

U.S. Health and Human Services Secretary Robert F. Kennedy Jr. visited Gaines County, Texas, to console the families whose young children have died.

The Kansas Department of Health and Environment, which reported one new measles case in the past week, now has a possible link to the Texas outbreak.

Two doses are about 97% effective at preventing measles, and a single dose is about 93% effective, the CDC says. Similar to the Kansas cases, the Texas outbreak largely spread in a community with very low vaccination rates, and Texas health officials said ...

The Kansas Department of Health and Environment this week reported an outbreak of 23 measles cases in southwest Kansas, nearly all of which occurred in unvaccinated people.

The U.S. now has more than double the number of measles cases it saw in all of 2024, with Texas reporting another large jump in cases Friday.

A second child in Texas has died of measles, according to the Texas Department of State Health Services, in a growing outbreak that has infected hundreds of people, the vast majority in unvaccinated communities in Texas.