FILE PHOTO: Small bottles labeled with "Vaccine" stickers stand near a medical syringe in front of displayed "Coronavirus COVID-19" words in this illustration taken April 10, 2020. REUTERS/Dado Ruvic/Illustration/File Photo
(Reuters) - The frontrunners in the COVID-19 vaccine race have emerged with different success rates for their shots in clinical trials, but what does that mean for the global fight against the pandemic?
U.S. drugmakers Pfizer-BioNtech and Moderna have each said their coronavirus vaccines have an efficacy rate of around 95% and a Russian project touted 92% efficacy for its Sputnik V vaccine.
