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COVID-19 vaccines against Omicron may be fast-tracked

November 30, 2021


Attention is turning to the vaccines that most developed countries are relying on to control the COVID-19 pandemic, asking two key questions: will the existing vaccines work against Omicron and, iIf not, how quickly can manufacturers ‘tweak’ them to boost their efficacy?

In the last few days, Pfizer-BioNTech, Moderna and Johnson & Johnson have all announced that they have begun work on Omicron-specific versions of their existing vaccines.

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