1 Covid-19 vaccine dose gives 92%, two 98% protection against death: Study https://ift.tt/2Tz0hjb

Single dose of Covid-19 vaccines have shown 92% efficacy in protecting against death, whereas with two doses it increased to 98%, the Centre said citing a study conducted by Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh among Punjab police personnel.​

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