Pfizer Coronavirus Vaccine Enters Phase 2 and 3 Clinical Trials

EcoWatch
By Deutsche WelleJul 29, 2020, 8:53 am144 pts
German biotechnology company Biontech and U.S. drugs giant Pfizer announced on Tuesday that they would start Phase 2 and 3 clinical trials of their BNT162b2 vaccine after getting the go-ahead from regulators. The U.S. Food and Drug Administration approved the global trial for thousands of participants at 120…

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