The U.S. is up to 1,197 confirmed measles cases this year. Arizona declared a new outbreak last week, while the one in Texas, ...

At least 3% of measles cases confirmed so far this year have been in people who received two doses of the measles vaccine, ...

Colorado health officials on Wednesday confirmed the state’s 12th measles case of the year as the number of people who’ve ...

One of the two new cases is a child who recently traveled to Ontario, Canada, where a measles outbreak is ongoing, health ...

The Colorado Department of Public Health and Environment confirmed two cases of measles in Colorado Springs and Aurora.

Measles is one of the most contagious diseases to affect humans, and can linger in the air for up to two hours.

Childhood vaccination rates against measles fell in the years after the COVID-19 pandemic in nearly 80% of the more than ...

As super-contagious measles continues to spread and nears a six-year U.S. record, cases in its original epicenter of West ...

The person did not seek medical care. Colorado has seen a total of 12 measles cases in 2025, which includes one outbreak of seven related cases. The outbreak is linked to a Turkish Airlines flight ...

New research shows measles vaccination rates for children fell in almost 80 percent of counties across the country after the COVID-19 pandemic.  A Johns Hopkins University study tracked ...