Moderna data suggests new Covid booster is more effective against Omicron variants

New data indicate Moderna’s Covid bivalent booster may be more effective against currently circulating Omicron variants of the virus than its original vaccine, the company said Monday.

Like data released by Pfizer and BioNTech regarding their Covid vaccine, the new data involves lab measurements of antibodies and their ability to neutralize the SARS-CoV-2 virus, not data on how well the vaccines prevent cases of symptomatic illness or severe disease.

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