image credit: Vecteezy

Moderna, Regeneron warn about the effectiveness of COVID-19 drugs, vaccines against the omicron variant

November 30, 2021


As the world assesses the threat posed by the COVID-19 omicron variant, two top companies producing pandemic drugs and vaccines have warned that their current offerings may not be effective against the variant.

On Tuesday, Regeneron sounded (PDF) a disquieting alarm bell, saying its successful COVID-19 antibody treatment may not work against the elusive new strain. For his part, Moderna CEO Stéphane Bancel predicted a “material drop” in mRNA vaccine efficacy.

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