A French study on the prevention of severe Covid-19 infections examined the case of 22 million people over 50 and found that those who had received vaccines are 90 percent more likely to avoid death or hospitalization.
Published on Monday, the study’s collected data since December 2020 after France launched its jab campaign. It then compared the outcomes of 11 million vaccinated people and 11 million unvaccinated people.
The results included observation from the UK, the US as well as Israel, making this study the largest one ever ran on Covid vaccine effects.
Starting from the 14th day after the injection of the second dose, the researchers observed “a reduction in the risk of hospitalization greater than 90%” for the vaccines from Pfizer / BioNTech, Moderna and AstraZeneca.”
As for Janssen, its usage in France is very small which did not allow the study to examine its efficiency as well.
However, this estimation is only based on a month of data, since the variant became dominant in France only in June.
“The study should be followed up to include results from August and September,” epidemiologist Mahmoud Zureik, the head of Epi-Phare, told AFP.
According to French researchers, vaccination appears to be nearly as effective against the Delta variant, with 84 percent protection for people 75 and older and 92 percent for people 50-75.
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