coronavirus January 21, 2022 6:09 pm Bay Area Scientists Test Wastewater to Detect Omicron Predicting the future through sewage. That is how scientists have been doing for almost two years now to gauge the trajectory of the coronavirus. Damian Trujillo reports. US & World Videos 2:19 San Francisco barbershop struggles to stay open after pandemic 0:51 Alameda County using dogs to detect COVID 3:57 Interview: Doctor's perspective on COVID 4 years after shutdown started 2:27 Marking 4 years since COVID-19 shut down the Bay Area 2:09 CDC updates COVID isolation guidelines
