coronavirus September 9, 2021 11:16 pm Mixed Reactions After Biden Announces New Vaccine Mandate Targeting Businesses President Joe Biden is taking a tough new strategy to get more Americans to get vaccinated – in an effort to slow the spread of COVID-19. Sergio Quintana 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