coronavirus November 12, 2021 7:50 pm How Worried Should We Be of a COVID-19 Winter Surge? How worried should we be about a COVID-19 winter surge? Will booster shots really make the difference? UCSF expert Dr. Peter Chin-Hong weighs in. 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
