Israeli hospital has found.The Sheba Medical Center's said that among 7,214 hospital staff who received their first dose in January, there was an 85% reduction in symptomatic Covid-19 within 15 to 28 days.
The overall reduction of infections, including asymptomatic cases detected by testing, was 75%.Also Read | Turnout modest for second covid shotHowever, Sheba epidemiologist Gili Regev-Yochay cautioned that the cohort studied at the hospital were "mostly young and healthy".Unlike with Pfizer's clinical trial, "we don't have many (staff) here aged over 65," she told reporters.