COVID-19 vaccine candidate reported to be 90% effective

Written by Tristan Free

The first set of data from Pfizer and BioNTech’s Phase III clinical trial of their COVID-19 vaccine candidate, BNT162b2, have been reported, indicating a 90% efficacy rate. The Phase III clinical trial of Pfizer (NY, USA) and BioNTech’s (Mainz, Germany) vaccine candidate, BNT162b2, has reached a critical threshold in the trial. Of over 43,000 participants in the trial, 94 cases of COVID-19 have been observed in the study cohort, surpassing the 62 cases required by the US FDA to allow the study to conduct its first interim analysis. The division in these cases between the vaccine group and the placebo...

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