Johnson & Johnson Halts Shipment of COVID Vaccine After Factory Mistake Ruins 15 Million Doses

Johnson & Johnson has paused shipment of its COVID-19 vaccine in the United States while the Food and Drug Administration investigates a factory mixup that ruined roughly 15 million doses of the vaccine.

Workers at a Baltimore plant run by Emergent BioSolutions, a manufacturing partner to Johnson & Johnson and AstraZeneca, reportedly mixed up the vaccines’ ingredients several weeks…