Significant reductions in COVID-19 infections found after single dose of Oxford-AstraZeneca and Pfizer-BioNTech vaccine

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Significant reductions in COVID-19 infections found after single dose of Oxford-AstraZeneca and Pfizer-BioNTech vaccine

COVID-19 infections fell significantly—by 65% percent—after a first dose of the Oxford-AstraZeneca or Pfizer-BioNTech vaccines in this large community surveillance study.

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