Can Pfizer's COVID-19 Vaccine End the Pandemic? BioNTech's CEO Believes So

Monday, U.S. pharma giant Pfizer and German partner BioNTech announced their jointly developed vaccine had exceeded all expectations with data suggesting 90% effectiveness in preventing COVID-19 illness.

Efficacy percentages could shift as more data is accumulated from the trial, but this initial read, done when the case count hit 94 participants, seems promising.