Officials share exposure windows for 2nd measles case in Teton County
JACKSON (WNE) — A second unvaccinated adult working in Grand Teton National Park has tested positive for measles, prompting public health officials to ask people who may have been exposed to keep an eye out for symptoms.
The infection was linked to another measles case reported in an unvaccinated worker in the park late last month, said Dr. Travis Riddell, the director of the Teton County Health Department. That was the first measles case recorded in Teton County in recent memory.
Because the two cases are linked, there is no current proof of “community spread” — measles spreading in Jackson Hole incognito, with cases that are not tied to each other.
“It is certainly linked to the first case we knew about,” Riddell said. “I don’t think that we are in a community spread situation, at this point.”
Still, the adult was in public places over the Fourth of July weekend.
Public health officials are asking people to keep an eye out for symptoms, including fever, cough, runny nose and a distinctive rash that starts on the face and spreads down the body.
People who were at Smith’s from 11:30 a.m. to 1:30 p.m. on Sunday, July 5, may have been exposed. People visiting Wendy’s from 11:30 a.m. through 1:30 p.m. that day may have been as well. Measles can linger in the air for two hours.
For people who were visiting Colter Bay in Grand Teton National Park on Tuesday, July 7, exposures could have happened at the Colter Bay Convenience Store from 9 a.m. to 11 a.m. and at the Colter Bay Cabin Office from 3 p.m. to midnight.
This story was published on July 13, 2026.
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