Norovirus Outbreak in NW Wyoming ‘Tapering Off’ After Sickening over 200
In addition to cameras, a group touring Yellowstone National Park last month brought an unwanted visitor to the area in the form of a foodborne virus. Many members of the group arrived complaining of gastrointestinal symptoms, which were later determined to have been caused by norovirus. The virus, which is transmitted via the fecal-oral route spread to others in the park, eventually sickening more than 100 employees and 50 visitors in mid to late June. At least 50 illnesses were also reported among employees at neighboring Grand Teton National Park. As of Tuesday, however, no new norovirus cases had been reported in the area in over a week, a Yellowstone spokesperson told Food Safety News. She did not know where the tour group that introduced the virus had begun its trip.
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