- Dozens of hikers became ill during trips to waterfalls near the Grand Canyon NPR
- Mystery as huge group of people falls violently ill while hiking through remote part of Grand Canyon Fox News
- Hikers report stomach illness while hiking to Havasupai Falls The Arizona Republic
- Dozens of hikers fall ill with severe stomach bug while camping near idyllic Grand Canyon waterfalls New York Post
- Dozens of people reported getting sick while hiking Havasupai Falls Arizona’s Family
