Are we prepared for an escape COVID-19 variant?

Macro coronavirus(covid-19) cell delta plus variant. B.1.1.529,B.1640.1,deltacron,COVID 19 variant of SARS-CoV-2 in 2022.Mutated coronavirus SARS-CoV-2 flu disease pandemic. Generative Ai

A news brief published by nature reports that Pfizer, Moderna and AstraZeneca have initiated preparedness plans for an escape variant. Although the current vaccines work effectively against all the variants, should a variant vaccine be developed ahead of time?

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