London, 2 March
According to one study, the Pfizer and Oxford-AstraZeneca vaccines for Covid-19 are highly effective in reducing severe infection among people aged 70 years or older. The research, published as a prepress and yet to be reviewed, estimated the effect of the two vaccines on laboratory-confirmed symptomatic disease in people aged 70 years or older in England. Researchers, including those from Public Health England (PHE), compared the rate of hospitalization and deaths in confirmed Covid-19 patients over the age of 80 who were vaccinated more than 14 days before testing positive, with no cases. vaccinated.
The data suggest that in more than eighty years, a single dose of any of the vaccines is more than 80% effective in preventing hospitalization, about 3 to 4 weeks after the jab, PHE said in a statement.
Evidence from the Pfizer vaccine suggests that it leads to an 83% reduction in Cobvid-19 deaths, he said. The data also show symptomatic infections in more than 70 years decreased by about three weeks after a dose of both vaccines. PTI