Travel season is in full swing, and so is COVID-19 transmission, municipal wastewater data suggests.
According to recent data from WastewaterSCAN, which monitors the rates of several viruses in municipal wastewater, San Francisco, Palo Alto and San Jose are grappling with high rates of COVID. Meanwhile, the virus has a moderate presence in Novato, Napa, Sunnyvale and Fremont.
“I think now we’re seeing the stirrings of a summer surge,” Dr. Matt Willis, a former health officer for Marin County, told SFGATE over the phone Tuesday…