Bay Area health officials on Monday ordered a return to mandatory mask wearing indoors regardless of vaccination status.
Interview with UCSF infectious disease specialist Dr. Peter Chin-Hong.
Bay Area health officials on Monday ordered a return to mandatory mask wearing indoors regardless of vaccination status.
Interview with UCSF infectious disease specialist Dr. Peter Chin-Hong.
UCSF infectious disease expert Dr. Peter Chin-Hong says California's COVID case positivity rate are moving in the right direction..