Norovirus, also known as the “winter vomiting disease,” has been surging in parts of California and around the country in recent weeks, according to wastewater data.
WasteWaterSCAN, a Stanford University-led tool for tracking the spread of disease, reported the highest numbers of cases of the gastrointestinal disease in Sacramento, southeast San Francisco, Redwood City, and San Jose wastewater. These areas showed fast-growing norovirus spread over the past 21 days as of Dec. 11. WasteWaterSCAN also tracked some norovirus outbreaks in Los Angeles and other parts of California.
Norovirus is more common in the winter months, and an increase would not be surprising, especially as more people travel around the holidays, according to the U.S. Centers for Disease Control and Prevention, which also reported unusually high norovirus activity last winter…