There have been dozens of reports of Pacific Crest Trail hikers in Southern California falling ill to a highly contagious stomach flu.

There have been dozens of reports of Pacific Crest Trail hikers in Southern California falling ill to a highly contagious stomach flu.

Hikers along the Pacific Crest Trail in Southern California have been hit with norovirus, but they’re not the only ones suffering. Wastewater data shows high levels in many states.

Though it is commonly called the \

The 'vomit bug,' or norovirus, is causing outbreaks across the US, especially in California. Symptoms arise within 12 to 48 hours and may lead to dehydration.