Health officials in two US states are tracking measles outbreaks as cases rise to nearly 100 people. The Texas Department of State Health Services reported Friday that it was aware of 90 cases diagnosed in the last month in the South Plains area,

Reported cases of the highly contagious disease are likely to grow, officials say.

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.