Tag - reinfection

Latest Science

Omicron less severe than Delta but more easily evades boosters

Three new observational studies from Scotland, Denmark, and the United States detail reduced hospitalizations and emergency department (ED) visits for Omicron COVID-19 infections relative to those caused by the Delta...

26 April, 2022

5 min read

Latest Science

Will COVID-19 vaccines give lifelong immunity to the disease? What we know

Whether we would develop immunity to COVID-19, or how long that would last if we did, has been a mystery since the early months of the pandemic. However, two new studies are helping us better understand how our immune...

8 June, 2021

5 min read