By Megan Redshaw
Fifteen million doses of Johnson & Johnson (J&J’s) vaccine failed quality control after workers at a Baltimore manufacturing plant negligently combined ingredients from AstraZeneca and J&J’s COVID vaccine.
The mix-up forced regulators to delay authorization of the plant’s production lines and prompted an investigation by the U.S. Food and Drug Administration (FDA).
Emergent has been cited repeatedly by the FDA for problems such as poorly trained employees, cracked vials and mold around one of its facilities, according to records obtained by the Associated Press through the Freedom of Information Act.
AstraZeneca and J&J’s COVID vaccines employ the same technology which uses a version of a virus — known as a vector — that is transmitted into cells to make a protein that then stimulates the immune system to produce antibodies.
However, J&J’s and AstraZeneca’s vectors are biologically different and not interchangeable. (Continued …)