United Kingdom: First dose of Pfizer and AstraZeneca vaccine reduced infection by 65% ​​- Science and Health

United Kingdom: First dose of Pfizer and AstraZeneca vaccine reduced infection by 65% ​​- Science and Health

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The data suggest that only one dose has a positive effect on reducing the prevalence of coronovirus.

A single dose of AstraZeneca and Pfizer vaccines reduces the risk of infection by up to 65% with new coronaviruses. These results also suggest that they protect both older and younger populations.

AstraZeneca Commentary

AstraZeneca Commentary

The results were released by the University of Oxford – an analysis of one of the vaccines made with AstraZeneca here – and the English National Statistics Office. Researchers analyzed trials of more than 350,000 people in the UK between December and April and concluded that 21 days after taking the first dose (the time it takes to create a visible immune response), new Covid-19 infections accounted for 65% Has declined.

This means that vaccination, which began in December, is already impacting the number of infections, as well as the breakdown of transmission chains. Hospitalization and medical services surcharge have also been avoided.

The data also show that vaccines are more effective than symptomatic ones when compared to unrelated infections, reducing rates by 72% and 57%, respectively, compared to non-populated ones.

Cited results Guardian Has been revealed in a pre-publication that will be followed by the analysis of antibody formulation by the vaccine. The first result in this case points to an overproduction of antibodies by the Pfizer vaccine, but it soon decreases, especially in older people, to levels similar to the Oxford / AstraZeneca vaccine.

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