1. Turning this into a brief thread. The prelim analysis — 90% efficacy — from the Pfizer #covid19 vaccine is very encouraging news re this vaccine AND.... https://twitter.com/helenbranswell/status/1325771479003389954
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.
3. The early data on the Pfizer #Covid19 vaccine are also very good news for Pfizer. Their vax is going to be the hardest to use — must be shipped/stored at -70C, which limits where it can be used. If/when there are multiple vax options, they need a very good vaccine to compete.
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