Symptomatic Covid-19 Cases Dropped 94% With Pfizer Vaccine, Israeli Data Show - WSJ - 0 views
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the study, which was carried out with a team from Harvard University, included 430,000 people who were between 16 and 59 years of age, and 170,000 who were 60 or older.
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It was the first of its kind to show such a high level of efficacy for Pfizer’s vaccine for those aged 70 and over, due to the limited scope of the earlier clinical trials,
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“It is now unequivocal that Pfizer’s vaccine against the coronavirus is incredibly effective in real life one week after the second dose, just as was found in the clinical study,”
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