Why the Production of the Johnson & Johnson Vaccine Is On Hold

Future production of the Johnson & Johnson Wuhan coronavirus vaccine has been put on hold after it was discovered that "human error" ruined 15 million doses of the vaccine. The Food and Drug Administration is currently investigating what took place at a plant in Baltimore where Emergent BioSolutions employees accidentally mixed up vaccine ingredients.

According to The New York Times, Emergent BioSolutions is a fulfillment contract company that both Johnson & Johnson and AstraZeneca have utilized to ramp up production. Over the next month, 24 million doses of the...