The National Park Service is investigating a mysterious illness after multiple Grand Canyon rafters reported severe symptoms following separate river trips.

After a dream 16-day rafting trip down the Colorado River, Matthew Wappett ended up in the ER with bone-crushing pain and a ...

A mysterious illness has been plaquing a group of white water rafters who took a recent trip through the Grand Canyon, prompting an investigaion by the National Park Service. Matthew Wappett, who ...

Multiple people who paddled the Colorado River have described symptoms including fever, chills, fatigue and fluid in their lungs.

Something seems to be sickening rafters visiting the Grand Canyon, and no one’s sure what it is. In recent months, several rafters have reported experiencing prolonged bouts of illness following their ...

The National Park Service is investigating a mystery illness among Colorado River rafters in the Grand Canyon.

This Spring, Matthew Wappett, a professor at Utah State University, completed a 16-day rafting trip through the Grand Canyon. After he returned to his home in Logan, Utah, Wappett, 53, began suffering ...

All fell ill after returning home, and some people were hospitalized.

Rafters in the Grand Canyon are coming down with a mystery illness and doctors are baffled - ‘It feels like I did a hard workout every day, even though I’ve done nothing except for sit on my butt,’ on ...

Rafters float down the Colorado River at the start of their journey through the Grand Canyon. The National Park Service (NPS) has launched an investigation into a mysterious illness affecting multiple ...