Variant

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Scientists continue to race to determine the Omicron coronavirus variant's severity, transmissibility and whether it evades current vaccines as it spreads. Follow here for the latest news. ...
The Omicron COVID-19 variant is about to infect millions of Americans in a “viral blizzard” of cases, a leading expert has warned. ...
NBC's Josh Lederman reports on what is expected to be heard from President Biden on Tuesday when he addresses the alarming rise in omicron variant cases in the U.S. ...
A study released by researchers in Oregon finds that breakthrough infections of COVID-19 can cause the body to develop a "super immunity" against the virus after recovery. The study's authors stressed that vaccination is crucial to preventing severe disease and death from COVID-19. But the available... ...

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