Large real world study confirms Pfizer Covid-19 vaccine 94pc effective | Malay Mail

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WASHINGTON, Feb 25 ­— The Pfizer Covid-19 vaccine has proven 94 per cent effective in a study involving 1.2 million people in Israel, the first peer-reviewed real world research confirming the power of mass immunisation campaigns to bring the pandemic to a close. The paper, which was published...

Thursday, 25 Feb 2021 07:01 AM MYT

The experiment was carried out between December 20 2020 and February 1, 2021 — a period when a newer variant first identified in Britain was rampant in Israel, making the vaccine’s performance all the more impressive.Each vaccinated participant was matched to an unvaccinated “control” person of similar age, sex, geographic, medical and other characteristics.

The researchers then recorded outcomes at days 14-20 after the first of the two doses and day seven or more after the second. The study also found people who received their second dose had a 92 per cent lower chance of getting any form of infection at all compared to those who were unvaccinated.

 

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