Pfizer research head envisions a sprint to develop Omicron vaccine, if it’s needed

A top Pfizer executive says the company is hopeful that booster shots will provide sufficient protection against the Omicron variant — but has already envisioned a timeline for the development of a new vaccine if that’s not the case.

Mikael Dolsten, Pfizer’s chief scientific officer, likened the company’s role to that of firefighters: It doesn’t know how serious the blaze will be, but needs to prepare for the worst. And in this case, the worst would mean the need to develop new vaccines.

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