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Story Link : https://www.thelallantop.com/bherant/vaccine-efficacy-drops-against-delta-variant-of-covid-now-what/
According to a report by Ynet, a major news website of Israel, the Pfizer vaccine, which was found to be more than 90 percent effective against the corona virus, is only 64 percent effective against the delta strain. The report says that when the efficacy of this vaccine was tested on the Delta strain in May 2021, its efficacy was about 94 percent at that time. But the question of how the vaccine’s efficacy was reduced in a month’s time has raised concerns. Know more about the same in this video.
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Produced By: The Lallantop
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