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Pre-Omicron Israeli research: People 50+ who got 3rd shot had 90% lower death rate

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Israeli research carried out before the emergence of the Omicron variant of the coronavirus found that people over the age of 50 who received a third dose of the Pfizer-BioNTech vaccine had 90 percent lower mortality than those who did not get the booster.

The research, based on data from the Clalit health maintenance organization and published in the New England Journal of Medicine, examined those who had received their second dose of the vaccine at least five months earlier. Clalit is the largest of Israel’s HMOs.

In July, Israeli became the first country in the world to start a campaign to administer a third dose of the vaccine in the face of falling efficacy amid a wave of the Delta strain of the virus. Those aged 50 or over became eligible for a booster in August.

Researchers studied the data of 843,208 individuals, of whom 758,118 (90%) received the booster (the third dose) during the period of the study.

In that group, there were 65 deaths due to COVID-19 — 0.16 per 100,000 persons per day.

In the group of individuals who did not receive the booster, 137 died — 2.98 per 100,000 persons per day.

The statistics were adjusted for sociodemographic factors and coexisting medical conditions. Individuals were........

© The Times of Israel

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