Health officials in Colorado are raising concerns as the number of measles cases in the state continues to grow, following a confirmed case in Lake County last week.
According to the Colorado Department of Public Health, there are now 20 confirmed cases of measles in the state. Of those, 19 involved people who were not vaccinated against the disease. The majority of cases are in children between 5 and 17 years old.
The outbreak is part of a broader national trend. Across the country, nearly 1,800 measles cases have been reported.