People who were at Texas State University from approximately 3 p.m. to 7 p.m. and Twin Peaks Restaurant from 6 p.m. to 10 p.m. may be at risk of developing measles. Matthew Gonzales, the Hays County Health Department Manager, confirmed to KVUE that the infected person had been vaccinated.

A warning has been issued for three Texas cities after someone with measles visited them while contagious. The Texas Department of State Health Services (DHSH) shared the warning on Monday "so unvaccinated people may monitor themselves for symptoms and seek testing if symptoms occur.