By , and , CNNLink Copied!Ad Feedback — A has shown record efficacy in a Phase II trial, a pre-print study released on Friday by Oxford University shows, raising hopes that one of the world’s most deadly diseases could be brought under control.The vaccine, developed by Oxford and known as R21, showed up to 77% efficacy in a trial of 450 children in Burkina Faso over 12 months, the university said in a statement. It said the shot was the first to meet the World Health Organization’s Malaria Vaccine Technology Roadmap goal of a malaria vaccine with at least 75% efficacy.“These are...…By , and , CNNLink Copied!Ad Feedback — A has shown record efficacy in a Phase II trial, a pre-print study released on Friday by Oxford University shows, raising hopes that one of the world’s most deadly diseases could be brought under control.The vaccine, developed by Oxford and known as R21, showed up to 77% efficacy in a trial of 450 children in Burkina Faso over 12 months, the university said in a statement. It said the shot was the first to meet the World Health Organization’s Malaria Vaccine Technology Roadmap goal of a malaria vaccine with at least 75% efficacy.“These are...WW…