Pfizer/BioNTech

  • Science & Tech

    New study shows vaccine protect fades after four months

    PROTECTION against Covid-19 offered by two doses of the Pfizer/BioNTech and Oxford/AstraZeneca coronavirus vaccines begins to fade within six months, underscoring the need for booster shots, according to researchers in Britain. After five to six months, the effectiveness of the Pfizer jab at preventing infection in the month after the second dose fell from 88% to 74%, an analysis of…

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