coronavirus January 25, 2021 6:13 pm Interview: COVID-19 Updates With UCSF Infectious Disease Specialist Dr. Peter Chin-Hong, infectious disease specialist at UCSF, joins NBC Bay Area to talk about COVID-19 vaccine distribution, the stay-at-home order being lifted and virus variants. 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