In our continuing series looking at the latest medical research and news on COVID-19, we speak with UCSF’s Dr. Peter Chin-Hong. 

Today’s topics include:

• Do I have to get the COVID-19 vaccine in my arm? 

  • Next generation of COVID-19 vaccines could be pill or spray 

• Los Angeles County reports no new COVID-19 deaths 

• Nearly a third of Americans fully vaccinated

• Scientists scramble to see why, in rare cases, even the vaccinated can get COVID-19 

• India vaccine shortage to stretch until July 

• Reaching ‘herd immunity’ is unlikely in the U.S., experts now believe 

GUEST:

Peter Chin-Hong, M.D., infectious disease specialist and professor of medicine at the UCSF Medical Center; he tweets @PCH_SF