Pfizer reports COVID-19 vaccine 95% effective as Phase 3 trial concludes
Over 41,000 people had completed the vaccination protocol. Out of the 170 positive COVID cases detected in the trial only eight were observed in the active vaccine group.
Pfizer
‘Watershed’ coronavirus vaccine looks to be 90% effective in phase 3 trial of 43,500 people
The US Food and Drug Administration (FDA) set a minimum effectiveness bar for COVID-19 vaccines at 50% for drugs seeking approval. This is the first COVID-19 candidate vaccine to produce data exceeding that mark.