Sign up for The Brief, The Texas Tribune’s daily newsletter that keeps readers up to speed on the most essential Texas news. The number of cases reported in Texas' historic measles outbreak has risen to 738 cases,

In a national briefing, health professionals talk about fear, prevention, and the limits of just-the-facts strategies.

Since the outbreak began in January in Gaines County, located in West Texas along the state border with New Mexico, 738 cases of measles have been confirmed.