The COVID-19 vaccine being developed by Pfizer and its partner BioNTech has shown to be effective blocking infection in 90 percent of participants in its Phase 3 clinical trial, the companies announced on Monday. That’s based on data analyzed by an external, independent committee assigned to check the results of the trial, and reflects only … Continue reading Pfizer’s COVID-19 vaccine proves 90% effective in first results from Phase 3 clinical trial