Why Are The U.S. And Europe In Such Different COVID Conditions?

Some US states are loosening COVID restrictions early, while much of Europe has suspended the use of a previously approved vaccine. On Today's Show: Ravina Kullar , PharmD, epidemiologist and infectious disease physician based in Los Angeles, discusses the latest COVID-19 developments — from the suspension of use of the AstraZeneca vaccine in several European countries to the news that officials in many states in America are loosening pandemic restrictions despite the danger of new variants.