Wastewater monitoring in the Bay Area shows an unseasonable surge in cold and flu viruses, including RSV, as summer approaches. - RSV remains at moderate levels in San Jose, Sunnyvale, and Redwood City.
- Highest virus concentrations are in western Bay Area, including Corte Madera. - The surge is unusual for this time of year, typically a low point for respiratory illnesses.
- Health officials urge precautions in crowded indoor spaces.