Moderna Tests Booster Vax On South African Variant

The Washington Post reports:

Moderna said Wednesday that it has manufactured a new version of its coronavirus vaccine that is tailored to quell infection by the variant first identified in South Africa.

A small amount of vaccine has been sent to the National Institutes of Health for a trial to determine whether boosting humans with the modified vaccine will stimulate a strong immune response, the company said.

The news came after the release of a Food and Drug Administration review finding the single-shot coronavirus vaccine made by pharmaceutical giant Johnson & Johnson safe and effective. The review sets the stage for a third coronavirus vaccine to be authorized in the United States as soon as this weekend.

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