November 5, 2021 8:30 am Pfizer: Our New COVID-19 Pill Cuts Severe Illness by 89% Pfizer says the company stopped clinical trials for its new coronavirus antiviral treatment early because the data was overwhelmingly successful. 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