Data released by Sheba Medical Center finds that coronavirus infections were reduced by 75% after the first dose of the Pfizer coronavirus vaccine.
The data, published in The Lancet medical journal, centered on a study of some 9,000 healthcare workers at Sheba, some 7,000 of which received their first dose in January. The study found a 75% decrease in all infections and an 85% reduction in symptomatic infections between 15 and 28 days after vaccination.