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: 

• Reflection: one year since the coronavirus gripped the world 

• Could easing restrictions add fuel to coronavirus variants?

• Study: Pfizer first dose provides less protection for cancer patients 

• Denmark pauses AstraZeneca vaccine use over blood clot concerns 

• EU regulator recommends J&J vaccine approval 

• Vaccines in the works to target multiple variants 

  • Study: UK variant has higher death rate 

• Long hauler symptoms may not be unique to COVID-19 

• Is it safe for vaccinated people to hook up? 

Guest: 

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