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In boost for COVID-19 battle, Pfizer vaccine found 94% effective in real world - Reuters

In boost for COVID-19 battle, Pfizer vaccine found 94% effective in real world - Reuters

In boost for COVID-19 battle, Pfizer vaccine found 94% effective in real world - Reuters
Feb 25, 2021 1 min, 21 secs

JERUSALEM (Reuters) - The first big real-world study of the Pfizer/BioNTech vaccine to be independently reviewed shows the shot is highly effective at preventing COVID-19, in a potentially landmark moment for countries desperate to end lockdowns and reopen economies.

The research in Israel - two months into one of the world’s fastest rollouts, providing a rich source of data - showed two doses of the Pfizer shot cut symptomatic COVID-19 cases by 94% across all age groups, and severe illnesses by nearly as much.

The study of about 1.2 million people also showed a single shot was 57% effective in protecting against symptomatic infections after two weeks, according to the data published and peer-reviewed in the New England Journal of Medicine on Wednesday.

The results of the study for the Clalit Research Institute were close to those in clinical trials last year which found two doses were found to be 95% effective.

The study also suggests the vaccine, developed by U.S drugmaker Pfizer and Germany’s BioNTech, is effective against the coronavirus variant first identified in the UK.

It also offered a more detailed look at how the vaccine was faring at weekly intervals, while matching people who received the shot to unvaccinated individuals with similar medical histories, sex, age and geographical characteristics.

Other research centres in Israel, including the Weizmann Institute of Science and the Israel Institute of Technology have shared several studies in recent weeks that show the vaccine to be effective.

“Once there is a safe vaccine for the children in Israel and all over the world we can then start to say that we could be approaching herd immunity.”

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