Texas reported 90 cases this week, while New Mexico reported nine. A majority of the cases have been in a Texas county where vaccination rates have lagged behind the rest of the state.

The measles outbreak in rural West Texas has grown to 90 cases across seven counties, the state health department posted online Friday, and 16 people are hospitalized.

Measles outbreaks across Texas and New Mexico have sickened nearly 100 people, with more cases expected, according to state health officials. The disease has spread through the South Plains region of Texas since late January,