The highly contagious outbreak of norovirus has sickened at least 28 people staying at a California wildfire evacuation shelter. Public health officials said the gastrointestinal illness has been detected among a group of people at the Pasadena Convention Center,

A norovious outbreak at a California shelter housing Los Angeles fire evacuees has left 28 sick. The virulent illness norovirus spreads easily in close quarters, causing diarrhea, vomiting and stomach

First came the fires. Then, there was ash and contaminated water. Now, some survivors of the Southern California wildfires are dealing with outbreaks of norovirus and other stomach ailments at a shelter set up to help evacuees.