This story was originally published on BioPharma Dive. To receive daily news and insights, subscribe to our free daily BioPharma Dive newsletter. Dive Brief: Ugur Sahin and Özlem Türeci, who co-founded BioNTech and led its rise to prominence as a COVID-19 vaccine maker, are leaving the company to establish a new startup focused on mRNA technology. BioNTech said Tuesday that Sahin and Türeci, who’ve been serving as CEO and Chief Medical Officer, respectively, will step down by the end of the year. Afte ...