https://apnews.com/1e1991fc666eebc4f2a2a0a78cb271ce > LONDON (AP) — One of the scientists behind the experimental coronavirus vaccine developed by BioNTech and Pfizer said Sunday that he was confident that it could halve the transmission of the virus, resulting in a “dramatic” curb of the virus’ spread. > Professor Ugur Sahin, chief executive of Germany’s BioNTech, said it was “absolutely essential” to have a high vaccination rate before next autumn to ensure a return to normal life next winter.