North America has two other ongoing outbreaks, all of which are the same measles strain. One outbreak in Ontario, Canada, has ...

A fifth case of measles is now confirmed in Colorado. It's the third case in Denver. An adult got measles after traveling to ...

A vaccinated adult from Denver County got the first confirmed breakthrough case of measles, the state health department announced April 25.

As outbreaks grow, local governments say efforts to fight measles with vaccination clinics have been shut down by abrupt ...

Colorado recorded its first case of 2025 in an adult in Pueblo County on March 31. A second case was confirmed in Denver in ...

Within the last month, the Centennial state has developed five cases of the measles, and the last case was discovered in ...

As the number of measles cases continues to climb nationwide and in Colorado — where health officials announced Friday that a ...

Colorado reported its first breakthrough measles case of 2025 in a vaccinated adult who had traveled to Mexico. Five measles cases have been confirmed in Colorado, including one infant under the ...

The Denver County resident who was vaccinated recently returned from Mexico, and officials warned of possible exposures at ...

Amid one of the most significant measles outbreaks in over 30 years, America’s top public health official is using his ...