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Vaccines prevent severe COVID, vaccine effectiveness against Delta up to 92% for people aged 50-75: Study

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Coronavirus Vaccine: Study confirms observations from US, UK and Israel.

Paris:

Vaccination is highly effective in preventing severe cases of COVID-19, even against the delta variant, a massive study in France has shown.

Research published on Monday – focusing on prevention of severe COVID and death, not infections – looked at 22 million people over 50 and found that those who had received JABS were 90 percent more likely to be hospitalized or died. was less.

The results confirm observations from the US, UK and Israel, but the researchers say this is the largest study of its kind to date.

Looking at data collected from December 2020, when France launched its JAB campaign, the researchers compared the results of 11 million vaccinated people with 11 million unvaccinated subjects.

They matched a non-vaccinated individual with a vaccinated counterpart of the same region and of the same age and sex, tracking them from the date of the vaccinated person’s second jab to July 20.

14 days after the second dose, a vaccinated subjects’ risk of severe COVID was reduced by 90 percent, according to research conducted by Epi-Fare, an independent drug safety research group that collaborated with the French government. Works.

The vaccination for the delta variant appears to be almost as effective, with 84 percent protection for people 75 and older and 92 percent protection for people 50-75.

However, this estimate is based on only one month’s data, as this version only went into effect in France in June.

Epi-Fare’s head, epidemiologist Mahmoud Zurich, told AFP: “The study should be followed up to include the August and September results.”

The study included vaccination with Pfizer/BioNtech, Moderna and AstraZeneca jabs, but not Janssen, which was authorized much later and is much less widely used in France.

The results also showed that over the study period – up to five months – vaccination protection against severe COVID-19 did not decrease.

(This story has not been edited by NDTV staff and is auto-generated from a syndicated feed.)

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