Of Colorado’s 21 cases, more than one has been reported in Arapahoe, Adams, Denver, El Paso and Mesa counties. Two-thirds were unvaccinated people or those whose status was unknown. Four cases have been in kids younger than 4, the rest have been in adults. The state reports five people have been hospitalized; no one has died.

The CDPHE and the Adams County Health Department have confirmed the case of measles in a child under 5 years from Adams County.

The Texas health department has declared the end of the measles outbreak after 42 days without new case, with officials urging continued vigilance as global outbreaks pose future risks.