Johnson & JohnsonEmployees at an Emergent BioSolutions (NYSE:EBS) facility in Baltimore made a mistake several weeks ago when formulating the ingredients for Johnson & Johnson’s COVID-19 vaccine, requiring 15 million doses of it to be discarded.

A quality control process revealed that one batch of a drug substance for the J&J COVID-19 vaccine “did not meet quality standards,” according to a statement from Johnson & Johnson.

The batch did not reach the fill-and-finish stage of manufacturing.

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