San Antonio is expected to be packed with visitors in March. With spring break crowds arriving next week comes a timely concern about measles after a potential exposure was reported in the Alamo City.

The measles outbreak that began in West Texas has now grown to well over 100 cases, with confirmed cases across Texas and New Mexico and possible exposures as far away as San Antonio and San Marcos. From the ongoing outbreak,

Texas’ health commissioner told lawmakers Monday they are still trying to determine the origin of a South Plains-Panhandle measles outbreak more than a month after the first patients reported symptoms.