. The E484K mutation was previously identified in B.1.351 and later in a few cases of B.1.1.7 .
“It’s something we take very, very seriously,” Anthony Fauci, M.D. director of the National Institute of Allergy and Infectious Disease, said in a press briefing this week. “We have to really keep an eye on it for its ability to evade both monoclonal antibody, and to a certain extent, the vaccine-induced antibody.”
However, experts say the vaccines we have available now are likely to still provide significant protection against the new variant. “People who have recovered from the coronavirus or who have been vaccinated are very likely to be able to fight this variant off, there’s no doubt about that,” Michel Nussenzweig, M.D., Ph.D.
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