Federal regulators on Wednesday issued extremely crucial findings from their inspection of a Baltimore plant that was compelled to throw out as much as 15 million doses of Johnson & Johnson’s coronavirus vaccine and ordered to temporarily stop all production.

The Food and Drug Administration cited a collection of shortcomings on the large plant, which is operated by Emergent BioSolutions. The inspection was triggered by stories that Emergent employees had contaminated a batch of Johnson & Johnson doses with the virus used to make AstraZeneca’s vaccine, which can be manufactured there.

The violations included failure to correctly disinfect the manufacturing unit and its gear, in addition to failure to comply with procedures designed to forestall contamination of doses and to make sure correct power and purity of the vaccine manufactured there. In a 12-page report, the inspectors cited a whole of 9 violations, starting from the design of the constructing to improperly skilled staff. The inspection was completed on Tuesday.

In a assertion, the F.D.A. famous that it has not approved Emergent to distribute any doses of Johnson & Johnson vaccine, and that no vaccine manufactured on the plant has been launched to be used within the United States.

AstraZeneca’s vaccine will not be but approved to be used within the United States, and all of the Johnson & Johnson doses which were administered within the nation to date were manufactured abroad. At the company’s request, all manufacturing on the manufacturing unit has been halted.

“We will not allow the release of any product until we feel confident that it meets our expectations for quality,” the assertion from Dr. Janet Woodcock, the F.D.A.’s appearing commissioner, and Dr. Peter Marks, the company’s prime vaccine regulator, stated.

The company stated it was working with Emergent to repair the issues.

The inspectors castigated Emergent’s response to the invention final month that Johnson & Johnson doses had been contaminated with AstraZeneca’s virus. The incident “has not been fully investigated,” they wrote.

For occasion, they stated, Emergent did not evaluation the motion of employees between the zones during which every vaccine was manufactured. “There is no assurance that other batches have not been contaminated,” they stated.