J&J uncovers problem with vaccine batch - Reuters
2:22am PDT - April 1st, 2021 johnson and johnson vaccine - ReutersJohnson & Johnson said on Wednesday it had found a problem with a batch of the drug substance for its COVID-19 vaccine being produced by Emergent Biosolutions, and said the batch did not advance to the final fill-and-finish stage. Libby Hogan reports.