12/20/2021

Moderna Says Booster Works Against Omicron

Stock shares jump following the announcement

Moderna Inc. announced Monday that a half-dose booster of its COVID-19 vaccine would increase antibody levels against the new omicron variant of COVID-19, the company reported, citing preliminary data.

The preliminary data signals that a booster could still give protection against the new concerning variant despite its mutations. That data hasn’t yet undergone scientific review. Testing by the U.S. National Institutes of Health, announced last week by Dr. Anthony Fauci, found a similar jump.

As CNN Health reported, Moderna's current booster is given out as a 50-microgram dose. According to Moderna, its approved 50-microgram booster dose increased antibody levels by 37-fold, but the company said a 100-microgram booster dose could increase antibody levels by 83-fold. This is compared to levels that were studied before a booster was administered

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