coronavirus January 4, 2022 8:07 pm UCSF Infectious Disease Specialist Answers Your Omicron Surge Questions NBC Bay Area’s Raj Mathai spoke to UCSF Infectious Disease Specialist, Dr. Peter Chin-Hong, about the ongoing impact of the omicron COVID-19 variant. 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
