Symptoms of norovirus infection usually start 12 to 48 hours (about 1–2 days) after a person has come in contact with norovirus. Symptoms usually last 1 to 3 days. A person is most contagious (able to spread germs) as soon as they start feeling sick until a few days after symptoms stop.

Mar 28, 2023 · Increases in norovirus activity have been noted throughout California and the United States since mid-January 2023, via laboratory testing and wastewater surveillance.

Jan 8, 2025 · SACRAMENTO, Calif. — Norovirus is being detected at some of its highest levels in California in recent months.

Dec 30, 2024 · California had the most number of cases (43), followed by Florida (24), New York (21) and Virginia (20), between September 1, 2023, and October 21 this year, according to the CDC database...

1 day ago · California’s peak stomach flu season is expected to continue to April. Hand sanitizers don't kill the illness, which spreads easily from person-to-person. Norovirus is still spreading in LA County.

Jan 7, 2025 · 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 ...

Jan 6, 2025 · — The appearance of Noravirus is up in Sacramento and California, according to wastewater data, and has been on the rise since mid-October. Dr. Marlene Wolfe, the Co-principal investigator with...

Norovirus is a very contagious virus that causes acute vomiting and diarrhea. Norovirus can survive for weeks on surfaces and objects, such as countertops, doorknobs, phones, and furniture. It can spread quickly in closed and crowded places such as hospitals, nursing homes, schools, and cruise ships.

Jan 17, 2025 · 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. A person uses clothing to...

Jan 7, 2025 · From January to November, California has seen 55 laboratory-confirmed norovirus outbreaks, the California Department of Public Health said in an email to The Desert Sun.