January 11, 2021 It’s a miracle of modern medicine that scientists were able to develop multiple successful vaccines against Covid-19, a disease that wasn’t even on their radar a year ago. But so far, the global effort to roll out these vaccines and distribute them to vulnerable people is off to a slow start. According to a tracker developed by OurWorldInData—a research partnership between the University of Oxford and the British non-profit Global Change Data Lab—three countries have vaccinated a higher proportion of their populations than the rest of the world: Israel, the United Arab Emirates (UAE), and Bahrain.