The measles outbreak in Texas has reached nearly 150 cases, according to a Friday morning update from the state health department. The agency said 146 cases have been identified since late January. Twenty of those patients have been hospitalized, and one school-age, unvaccinated child has died.

Gaines County in West Texas is at the heart of the ongoing measles outbreak. Non-medical vaccine exemption rates there are high.

West Texas outbreak. 146 cases of measles have been detected in connection to the outbreak since late January. 98 of the cases are from Gaines County. More cases of measles have been detected in Texas' South Plains region,