coronavirus August 17, 2021 7:26 pm FAQ: UCSF Infectious Disease Expert on COVID-19 Booster Shots When could we see the third COVID-19 shot rollout and should you get one? NBC Bay Area’s Jessica Aguirre gets some answers from UCSF’s Dr. Peter Chin-Hong. 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