Pfizer Says COVID-19 Vaccine 90% Effective in Trials

Pharmaceutical company Pfizer says late-stage testing on its potential COVID-19 vaccine indicates it is more than 90 percent effective. Pfizer’s chairman and chief executive, Albert Bourla, along with its partner,  BioNTech, made the announcement Monday regarding the Phase 3, late-stage study of their potential vaccine. The statement said the study showed the vaccine to be […]

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