COVID-19 September 21, 2021 6:37 am Johnson & Johnson Says COVID-19 Booster Provides Strong Response Johnson & Johnson released data showing that a booster dose to its one-shot coronavirus vaccine provides a strong immune response 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
