An Adams County child is in the hospital with measles , and Colorado public health officials said people who visited the emergency room at about the same time could have gotten the highly contagious virus.

The child visited the Children’s Hospital Colorado emergency department in Aurora on Tuesday evening, and the virus could have infected people who passed through between 6:36 p.m. and 10:16 p.m., officials said.

Measles is one of the most contagious viruses to infect humans, and can linger in the air up to two hours.

The child, who is under 5 and unvaccinated, traveled to Chihuahua, Mexico, which has an ongoing measles outbreak. So far this year, 17 Coloradans have tested positive for measles and five needed hospital care.

Anyone who visited the Children’s Hospital Colorado emerg

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