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.

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.

In the state's second measles case of the year, a baby under 1 year old has been confirmed to have the virus. As babies cannot be vaccinated, they are highly vulnerable, health officials warn.