Two Texas universities and their surrounding communities have issued warnings about potential exposure to measles after giving campus tours to at least one person who tested positive for the virus. Experts have been tracking the measles outbreak in Gaines County since late January.

On February 21, the Texas Department of State Health Services (TDSHS) reported 32 more measles cases in the South Plains region, boosting the state's total to 90 cases. Most are in Gaines County, where the outbreak is centered in the Mennonite community.

Confirmed measles cases in Texas have reached at least 90, making this the worst measles outbreak in 30 years. Experts warn the number of Texas cases is likely much higher.