By Staff

CAMBRIDGE (CBS) – Moderna said initial test results of its vaccine booster shot show it works against two variants of COVID-19.

The Cambridge-based company said the third dose was given to volunteers six-to-eight months after they were fully vaccinated and it was effective against the Brazilian and South African strains of the virus.

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“We are encouraged by these new data, which reinforce our confidence that our booster strategy should be protective against these newly detected variants,” said Stéphane Bancel, Chief Executive Officer of Moderna.

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“Our mRNA platform allows for rapid design of vaccine candidates that incorporate key virus mutations, potentially allowing for faster development of future alternative variant-matched vaccines should they be needed.”

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Moderna said the results are preliminary. Staff