Moderna says its new booster is better than original against Omicron

The updated vaccine formulation raises antibodies eightfold against the COVID-19 variant, according to preliminary data released by the company

Moderna says its new COVID-19 vaccine booster produces a better immune response against the Omicron variant than its original vaccine.

The booster raised virus-neutralising antibodies against Omicron by eightfold above baseline levels in a study of 800 people (who were seronegative at baseline), when given as a fourth dose, according to a company press release.

The vaccine was generally well-tolerated, with side effects comparable to a booster dose of the original

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