BioNTech says it could tweak Covid vaccine in 100 days if needed
Company says it will know in two weeks whether current Pfizer jab is effective against Omicron variant
BioNTech says it could produce and ship an updated version of its vaccine within 100 days if the new Covid variant detected in southern Africa is found to evade existing immunity.
The German biotechnology company is already investigating whether the vaccine it developed with US drugmaker Pfizer works well against the variant, named Omicron, which has caused concern due to its high number of mutations and initial suggestions that it could be transmitting more quickly.
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