2. It is also a really promising sign for the multiple other #Covid19 vaccines coming up behind Pfizer, as this statement from @CEPIvaccines points out. They all target the same protein on the #SARSCoV2 virus. Looks like it is a solid approach. pic.twitter.com/AoSVK9KBHm

— Helen Branswell 🇨🇦 (@HelenBranswell) November 9, 2020