coronavirus October 29, 2021 11:26 pm COVID-19 Vaccines Provide Stronger Immunity Than Past Infection: CDC The COVID-19 vaccine provides stronger protection than immunity from previous infection, according to a new study from the CDC. 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
