@BillGates: RT @CEPIvaccines: A safe and effective #COVID19 vaccine is the way out of this devastating pandemic🌍 Our Director of Vaccine R&D, Melanie Saville, speaks to @bbcworldservice on the progress in vaccine development and the challenges to overcome 🎧🔽 https://t.co/r8negZqWhl

http://twitter.com/BillGates

A safe and effective #COVID19 vaccine is the way out of this devastating pandemic🌍

Our Director of Vaccine R&D, Melanie Saville, speaks to @bbcworldservice on the progress in vaccine development and the challenges to overcome 🎧🔽https://t.co/r8negZqWhl

— CEPI (@CEPIvaccines) August 11, 2020