Comments by "Serenity" (@SerenityM54L2SAM5L5N1) on "WHO experts back wide use of AstraZeneca Covid vaccine | Coronavirus | English news | WION News" video.

  1. @Samyak Mittal Which body has said that a vaccine needs 70% efficacy for approval? Are you talking about 70% immunity required to reach herd immunity?
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  2. Don't be a contrarian. The Oxford, or AstraZeneca vaccine, had not been proven to be effective when used for individuals over the age of 65. New data has presumably been retrieved on the matter, it's therefore now being recommended. That's how collection of data and conducting scientific studies works
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