Moderna says bivalent COVID-19 boosters could offer more robust protection against variants

Moderna (Nasdaq:MRNA) announced that its first bivalent booster vaccine candidate, mRNA-1273.211, offered superior protection against SARS-CoV-2 variants of concern compared with its first-gen mRNA-1273 vaccine.

A 50-µg booster of the mRNA-1273.211 vaccine offered protection against the beta, delta and omicron variants for six months and appeared to provide similar tolerability to the FDA-approved mRNA-1273 vaccine.

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