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Two doses of Pfizer, AstraZeneca shots effective against Delta variant: study

Two doses of Pfizer, AstraZeneca shots effective against Delta variant: study

13 Sept 18:01 Key points summarised by AI
  • Two doses of Pfizer or AstraZeneca vaccines are highly effective against the Delta variant, showing comparable efficacy to their protection against the Alpha variant.
  • Specifically, two Pfizer doses were 88% effective at preventing symptomatic disease from the Delta variant, while two AstraZeneca doses were 67% effective.
  • A single dose of either vaccine offers significantly reduced protection against the Delta variant, emphasizing the critical importance of receiving both doses for maximum defense.
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