coronavirus November 26, 2021 5:52 pm UCSF Infectious Disease Specialist on New COVID Variant Given our higher vaccination rates in the Bay Area, how concerned should we be about this new variant? NBC Bay Area’s Jessica Aguirre spoke to Dr. Peter Chin-Hong for answers. 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