Pfizer Soars as Vaccine Prevents 90% of Covid Cases in Study

Pfizer Soars as Vaccine Prevents 90% of Covid Cases in Study

Source: 
Bloomberg
snippet: 

A vaccine developed by Pfizer Inc. and BioNTech SE protects most people from Covid-19, according to a study whose early findings sent stock prices surging and were hailed by the top U.S. infectious-disease specialist as “extraordinary.”