Pfizer is racing ahead with plans to manufacture 50 million to 100 million doses of a new omicron-specific version of its coronavirus vaccine, a reflection of rising concerns that current vaccine formulations may need to be tweaked for the new threat.

Pfizer also is testing hybrid combinations of vaccine to target multiple coronavirus forms, as well as larger doses.

The omicron-specific doses will be created “at risk,” CEO Albert Bourla said Monday, meaning that if they are not needed, Pfizer will absorb the costs. The company has climbed to the lead in global vaccine production with 3 billion doses in 2021 and is planning to produce up to 4 billion doses in 2022.

If it turns out to be necessary to roll out an omicron-targeting vaccine, Pfizer will be ready, Bourla said.... Read More: Washington Post