Pfizer’s COVID-19 Vaccine Is 90 Percent Effective In Phase 3 Trial

Hopes rise when Pfizer announced that a COVID-19 vaccine it was formulating is 90 percent effective in its phase 3 trial. The vaccine, according to the pharmaceutical company, has exceeded the expectations of experts in terms of performance, and that was exactly what they will need to win the war against the coronavirus that has … Continue reading Pfizer’s COVID-19 Vaccine Is 90 Percent Effective In Phase 3 Trial