There are now three confirmed cases of measles in Colorado. All investigations are ongoing and are typically handled at the county level with support from the state.

Colorado has confirmed its second case of measles, this time in Denver. The Colorado Department of Public Health and Environment reports that the patient is an unvaccinated one-year-old who recently traveled to an area in Mexico experiencing an outbreak.

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.