Symptomatic cases of COVID-19 are dropping by 94% after two doses of the Pfizer vaccine, according to the largest study of real-world data from Israel.Research by Clalit, the biggest healthcare provider in Israel, shows that the Pfizer vaccine is equally effective for all age groups, with preliminary data showing a 94% drop in symptomatic cases and a 92% drop in serious cases. Clalit analysed 1.2 million people - 600,000 of who had received two doses of the Pfizer jab and the same number who had not. Israel's detailed digital collection of patient data allowed scientists to match the two groups.
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Click To Start Selling NowAccording to Clalit, the patients were matched according to their general health, where they live, their risk of infection and their risk of becoming seriously ill.