A Pueblo resident was exposed to a measles outbreak in Mexico during travel and tested positive for the disease. Here's everything you need to know.

The Colorado Department of Public Health and Environment said Monday evening that the case was confirmed in Pueblo after an unvaccinated adult traveled to an area of Mexico currently experiencing an outbreak.

The Colorado Department of Public Health and Environment's warning comes after two previous measles cases in Pueblo and Denver. Unlike in those two cases, the Archuleta County resident, an adult whose vaccination status has not been confirmed,