Single Dose of Vaccine Reduced Infection Chances by 65%, Finds New UK Study
3 years, 8 months ago

Single Dose of Vaccine Reduced Infection Chances by 65%, Finds New UK Study

News 18  

A single dose of either the Oxford AstraZeneca or Pfizer BioNTech vaccines, currently being administered in the UK, cut the rate of coronavirus infections by around 65 per cent, according to a new UK study. The researchers analysed Covid-19 test results from more than 3,50,000 people in the UK between December 2020 and April 2021 and found that 21 days after a first jab the time it takes the immune system to mount a decent response new covid-19 infections dropped. Odds of new SARS-CoV-2 infection were reduced 65 per cent in those who had completed 21 days since first vaccination with no second dose versus unvaccinated individuals without evidence of prior infection, the study noted. The researchers, in the large community surveillance study, conclude that vaccination with a single dose of Oxford/AstraZeneca or Pfizer/BioNTech vaccines, or two doses of Pfizer/BioNTech, significantly reduced new SARS-CoV-2 infections.

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