The measles outbreak that began in West Texas is still growing, with exposures possible as far away as San Marcos and San Antonio.

A measles outbreak in Texas continues to grow. State health officials say the outbreak is the largest in the state in nearly 30 years.

The largest measles outbreak in decades has reached San Antonio and San Marcos. Officials say an individual who tested positive for the virus in West Texas traveled to two major universities and one of the nation's busiest tourist attractions — the San Antonio River Walk.