#What39s #Deal #Pfizer39s #COVID19 #Vaccine #SciShow #News [ad_1] SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium subscription. Multiple companies and organizations have announced early results about their COVID-19 vaccines. Here’s what we know about Pfizer’s. Hosted by: Hank Green COVID-19 News and Updates: https://www.youtube.com/playlist?list=PLsNB4peY6C6IQediwz2GzMTNvm_dMzr47 SciShow has a