Three-shot course of Pfizer's Covid-19 vaccine neutralises Omicron variant

BioNTech and Pfizer said on Wednesday a three-shot course of their Covid-19 vaccine was able to neutralise the new Omicron variant in a laboratory test and said they could deliver an upgraded vaccine in March 2022, if needed.

BioNTech and Pifzer are the first manufacturers of a Covid vaccine to issue an official update on the efficacy of their shot against Omicron.

In the first official statement on the efficacy of their vaccine against Omicron, The German and US companies said two doses resulted in significantly lower neutralising antibodies but a third dose boosted those antibodies by a factor of 25.

The Omicron