Study: Novavax Shot 89% Effective Against Main Strain

USA Today reports:

Another COVID-19 candidate vaccine appears to be safe and roughly 90% effective against the virus that causes the disease. It also protects against at least a few of the variants that have arisen in recent months.

On Thursday, Novavax, a Gaithersburg, Maryland-based biotechnology firm, released interim results from two clinical trials of its candidate vaccine, one in the United Kingdom and another in South Africa.

The two-dose vaccine, temporarily called NVX-CoV2373, has been tested in nearly 20,000 people in the U.K. and South Africa, and the two studies showed it to be nearly 90% effective against symptomatic COVID-19 in the U.K., though just 50% effective in the smaller South African trial.

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Novavax says COVID-19 vaccine is 89.3% effective in UK trial, less in South Africa https://t.co/UOsQb4yUbM pic.twitter.com/G0KZqyv7O6

— Reuters (@Reuters) January 28, 2021