Norovirus levels are increasing across California, and the rise is especially notable in the San Francisco Bay Area and L.A., according to state officials.

Norovirus is spiking across California, with wastewater concentrations and test positivity rates spiking, especially in the ...

Norovirus cases are spreading in California and nationwide. Here's what to know about what people are calling the 2025 winter vomiting disease.

Norovirus, also known as the "stomach flu" or "winter vomiting sickness," is active in California and across the nation. But ...

Health officials are warning the public that cases of norovirus, also known as the “winter vomiting disease,” have been spiking across Southern California ahead of the winter season.

Norovirus is on the rise overall in the United States, federal officials say, even as the West sees a slight dip in reported cases. After peaking in January, cases of the virus were steadily dropping ...

CALIFORNIA — Norovirus is quickly spreading, exceeding past seasonal averages for outbreaks of the wretched stomach bug that sickens millions of people every year. Norovirus outbreaks spiked to 91 for ...

Health officials have issued a warning regarding a sudden rise in Norovirus cases, also called the “winter vomiting disease,” across Southern California.The highly contagious virus affects the ...

A nasty stomach bug has been spreading across the country, including California, in recent months — leaving people feeling nauseous, achy or worse. There were 91 outbreaks of norovirus reported across ...

The 'AIDAdiva' arrives in Santa Barbara on Thursday following a norovirus outbreak aboard the ship earlier this month.