Quality control

Batch Of Johnson & Johnson COVID-19 Vaccine Fails Quality Standards

The drugmaker didn’t say how many doses were lost, and it wasn’t clear how the problem would impact future deliveries.
By Linda A. Johnson and Richard Lardner, AP

Meltdown: Iowa Unable To Deliver Caucus Results

The Iowa Democratic Party said it was doing "quality control" to ensure all of the results were correct.
By 
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