Top 5 Takeaways Largest Recorded Outbreak: This was the largest documented outbreak of acute gastroenteritis in the Grand Canyon National Park’s backcountry, affecting at least 222 rafters and backpackers, likely
Top 5 Takeaways Largest Recorded Outbreak: This was the largest documented outbreak of acute gastroenteritis in the Grand Canyon National Park’s backcountry, affecting at least 222 rafters and backpackers, likely