The US Centers for Disease Control and Prevention is on the ground in Texas to respond to the growing measles outbreak. The agency posted on X that it’s partnering with the Texas Department of State Health Services.

The federal health agency said it will be offering onsite support to local officials during the growing outbreak, which has already killed one child.

The CDC is responding to a growing measles outbreak, with nearly 160 cases reported since late January. Twenty-two people have been hospitalized. Gaines County in far west Texas has the most cases, with 107.