Reference (Nov-20-A1)
Reference:
https://investors.pfizer.com/investor-news/press-release-details/2020/Pfizer-and-BioNTech-Announce-Vaccine-Candidate-Against-COVID-19-Achieved-Success-in-First-Interim-Analysis-from-Phase-3-Study/default.aspx
https://www.pfizer.com/science/coronavirus/vaccine
