The source of the outbreak remains unknown, but dozens of hikers have fallen ill.

A new national wastewater map is offering a window into the spread of the highly contagious norovirus across the United States.

Norovirus, a highly contagious virus, is spreading across the US, with wastewater data indicating rising cases. Health ...

Norovirus is spreading among PCT hikers near Wrightwood. Health officials warn of fast transmission in backcountry conditions ...

Norovirus outbreak on the Pacific Crest Trail sickens dozens of hikers near Wrightwood, with a shared water cache suspected.

Some call it the stomach flu or a stomach bug, but in reality, Norovirus is not the flu at all.

Dozens of hikers in California have become sick due to what is suspected to be an outbreak of norovirus on the Pacific Crest ...

A common stomach bug is surging, according to new data from the U.S. Centers for Disease Control and Prevention.In the week of Dec. 5, there were 91 outbreaks of norovirus reported, up from 69 the ...

Passengers on the ship showing no symptoms are allowed to leave, authorities say, after 49 people fell ill from gastrointestinal sickness.

This is the second time within two months that a norovirus outbreak happened on a Princess ship based out of the Fort Lauderdale.

A norovirus-like illness is spreading within the Broome County Correctional Facility, with more than 140 reported cases.