Israel’s Sheba Medical Centreon Monday began the world’s first trial of a fourth dose of the Pfizer-BioNTech COVID-19 vaccine. Sheba, the largest medical centre in Israel and the Middle East, recruited 150 employees for the study. Each had received a third, “booster” dose in August but now has a low antibody count of below 700,…
The Sheba Medical Centre launched on Monday a first-of-its-kind study in which a fourth Coronavirus (COVID-19) vaccine will be administered to volunteers to test the effectiveness of the fourth dose. The study is based on the serology and immunity of the largest group of subjects in the world, numbering about 6,000 people. The fourth vaccine…