The City of San Antonio is warning residents about a potential exposure to measles at UT San Antonio and the Riverwalk earlier this month.

The university said in an email that a visitor touring the main campus for UTSA Day earlier this month tested positive for the highly infectious disease.

A measles outbreak in Texas has reached San Antonio, with 90 cases reported, mostly in children. Vaccination remains crucial to control the spread.

San Antonio officials warn of measles exposure at UTSA and other locations after a visitor tested positive for the virus.

A measles-infected individual from Gaines County visited multiple San Antonio locations, prompting a health alert for potential exposure.

The person who tested positive for the measles virus visited several places in San Antonio between Feb. 14-16.

A growing number of Central Texas health departments are warning residents of possible exposure to measles, the latest sign that the outbreak in West Texas is spreading across the state. Why it matters: Measles is a highly contagious and potentially life-threatening disease that has surged in areas with high vaccination exemption rates.

State health officials confirm an individual with the disease was in multiple high-traffic areas in and around San Antonio, New Braunfels and San Marcos during the Valentine's Day weekend.