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Covid-19: a third booster dose to counter variants? The Moderna approach

23/02/2021

Although the studies showed that Moderna’s current vaccine, known as mRNA-1273, was effective against both the UK and South African variants, a sixfold reduction was seen in neutralising titre levels to the South African variant.

Moderna said that “out of an abundance of caution” it was starting a clinical programme of two booster approaches to increase immunity to the new variants. Moderna’s chief executive officer, Stéphane Bancel, said, “We believe it is imperative to be proactive as the virus evolves.”

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