Jerusalem – A 94 per cent drop in symptomatic Covid-19 cases among 600,000 people who received both doses of the Pfizer-BioNTech vaccine was reported by Israel’s largest healthcare provider on Sunday (Feb 14). According to Health maintenance organisation (HMO) Clalit, the same group also showed they were less likely to develop severe illness from the … Continue reading 94% drop in symptomatic Covid-19 cases with Pfizer vaccine: Israeli study