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Pfizer and BioNTech's COVID-19 vaccine shows 94% efficacy in real-world test Updated: 2021-02-25 10:09:23 KST

A real-world test of Pfizer and BioNTech's COVID-19 vaccine has confirmed its efficacy rate is well above 90 percent.
According to a study led by a research institute and university in Israel, together with Harvard University,… the vaccine was shown to be 94-percent effective after two doses.
This number shows comparable effectiveness to the rate established in phase three clinical trials,… which was 95-percent.
It estimated the vaccine to be 57 percent effective after one dose.
The test was carried out on some 1.2 million people, with half of the participants receiving shots.
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