LONDON: A single shot of the vaccine produced by Pfizer Inc. and BioNTech SE caused a 57% reduction in Covid-19 cases in people aged 80 and over, up to 88% after a second dose, according to preliminary data from the UK’s rapid inoculation program .
The findings add to a growing number of international evidence that new vaccines offer significant, if not complete, protection against Covid-19, offering governments a way out of a pandemic that has claimed at least 2 years. , 5 million lives worldwide and has sickened tens of millions of people.
UK data, released on Monday, is preliminary and has not been reviewed by other scientists.
The UK public health agency said a shot of the vaccine developed by Pfizer Inc. and BioNTech SE resulted in a 57% reduction in Covid-19 cases in people 80 years of age or older, compared to what would have been expected if they had not. he was shot. This increased to 88% after a second dose.
Hospitalization rates fell 41% 14 days after the injection and the chance of dying from the disease was halved among those immunized.