Pfizer/BioNTech Covid-19 shot 91% effective in updated data, protective against South African variant

Pfizer/BioNTech Covid-19 shot 91% effective in updated data, protective against South African variant

AsiaOne-·2021-04-02 12:03

Pfizer Inc and BioNTech said on Thursday (April 1) their vaccine is around 91 per cent effective at preventing Covid-19, citing updated trial data that included participants inoculated for up to six months.

The shot also showed early signs of preventing disease in a small subset of study volunteers in South Africa, where a concerning new variant called B.1.351 is circulating.

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