Novavax said on Thursday that its COVID-19 vaccine appears 89% effective based on early findings from a British study and that it also seems to work — though not quite as well — against the new British and South African mutations of the virus, The Associated Press.
The study of 15,000 people in Britain is still underway, but an interim analysis found 62 participants so far have been diagnosed with COVID-19 – only six of them in the group that got vaccine and the rest who received dummy shots.
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