Pfizer Says COVID-19 Vaccine 95% Effective In Final Trial Results
(CBS/CNN) --- A final analysis of the Phase 3 trial of Pfizer's coronavirus vaccine shows it was 95% effective in preventing infections, even in older adults, and caused no serious…
(CBS/CNN) --- A final analysis of the Phase 3 trial of Pfizer's coronavirus vaccine shows it was 95% effective in preventing infections, even in older adults, and caused no serious…