A third vaccine dose may increase protection from omicron

The mRNA vaccines used against COVID were never designed to battle the omicron variant, a now dominant strain of the coronavirus that recently claimed 18,000 lives in a single week. Yet individuals who receive their third dose appear to be protected from the worst of omicron, and a new study in Nature explains why. In analyzing blood samples from patients who received a booster, researchers showed that the third dose galvanizes memory B cells into producing potent and versatile antibodies that neutralize both the original virus and its many variants.

This article was originally published on MedicalXpress.com

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