BioNTech SE of Germany and its partner Pfizer Inc, announced final Phase 3 data for their Covid-19 vaccine on 18 November which showed a vaccine efficacy rate of 95%. The vaccine BNT162b2 is based on messenger RNA (mRNA) technology. The study met all of its primary efficacy endpoints. The efficacy rate applies to participants without prior SARS-CoV-2 infection, the first primary objective, and also to participants with and without prior SARS-CoV-2 infection, the second primary objective.
