Browse By Keyword COVID-19
B.1.1.7 is a novel SARS-CoV-2 strain of concern that appears to be spreading faster than prior strains. Learn about this strain's mutations and what they could mean for diagnosis and management.
Does exposure to SARS-CoV-2 produce immunological memory? If so, how long do those “memories” last, and what are the implications on the development and longevity of vaccine-induced protection?
Two COVID-19 vaccines have received emergency use authorization (EUA) in the U.S. But open questions remain, including the durability of immunity and how to predict rare, severe adverse reactions.