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Recently, Emergent BioSolutions, the manufacturer of Johnson & Johnson's COVID-19 vaccine, has encountered raw material mixing and a large number of production safety issues.
The US FDA has asked Emergent BioSolutions to suspend the production of Johnson's COVID-19 vaccine at its Baltimore plant.
As an important part of Johnson & Johnson's COVID-19 vaccine manufacturing network, Emergent's production accident has caused at least 15 million doses of Johnson & Johnson's COVID-19 vaccine to be contaminated.
On April 12, the FDA conducted an inspection of the plant.
Soon after, the regulatory agency stated that the Emergent plant should immediately stop the production of the COVID-19 vaccine before the completion of the comprehensive evaluation and regulatory report.
Although both of these two vaccines use harmless viruses as the COVID-19 vaccine carrier, the two COVID-19 vaccine carriers of Johnson & Johnson and AstraZeneca are biologically different, and the two COVID-19 vaccines The carrier cannot be used interchangeably in the production process.
However, the facts may not be as simple as Emergent estimated.
Due to the seriousness of the situation, the Chairman of the U.
This is not the first time Emergent has a problem.
In addition to production problems, the safety of Johnson & Johnson's COVID-19 vaccination has also attracted the attention of global regulatory agencies.
The European Medicines Agency recently released research conclusions, suggesting that there may be a link between the immunization of Johnson & Johnson's COVID-19 vaccine and the occurrence of blood clots.
Emergent said it has destroyed 15 million doses of contaminated Johnson & Johnson vaccine.
