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

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

Norovirus is a “very contagious” germ that causes vomiting, diarrhea and stomach cramps, according to the California Department of Public Health. The virus inflicts acute gastroenteritis — ...

From Aug. 1 through Nov. 13, 153 outbreaks of norovirus were reported in 14 states, according to the U.S. Centers for Disease ...

An unusually early spike in norovirus is sweeping across California, with wastewater data and lab tests pointing to a rapidly ...