Dossier
Matthew Wappett
Coverage of Matthew Wappett in the Nexus archive.
- Grand Canyon mystery illness reportedly triggers NPS investigation after rafters report alarming symptoms
The National Park Service is investigating a mysterious illness affecting rafters who recently completed trips in the Grand Canyon, with reports of severe symptoms including fever, pneumonia, and joint pain. Affected individuals and healthcare professionals speculate the cause could be mosquito-borne viruses like dengue fever or chikungunya, though no definitive diagnosis has been confirmed.