OMICRON VS. DELTA – DO WE NEED NEW VACCINES?
The World Health Organization designated Omicron a "variant of concern" just days after the variant was first reported in southern Africa.
Many questions remain, including whether Omicron will evade vaccine protection and whether it will cause more serious illness.
The key unknown for Omicron
So the question, really, is how transmissible Omicron is relative to Delta. That's the major, major, major thing that we need to know," said John Moore, a professor of microbiology and immunology at Weill Cornell Medical College in New York, in a comment to Reuters.
The beta variant, first identified in South Africa, was another strain also once thought to necessitate an updated version of the vaccine, but the variant never spread widely in North America, Europe and other parts of the world like delta did, explains John Moore, a professor of microbiology and immunology at the Weill Cornell Medical College.
That’s the key unknown for omicron," Moore said. "Is omicron going to be like beta an ...
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