When an East Baltimore plant run by Emergent BioSolutions found that a large batch of urgently needed COVID-19 vaccine had to be trashed because workers used the wrong ingredients, the company said the episode was “disappointing” but showed that its rigorous quality controls worked. That’s true, say vaccine supply chain and public health experts. Snafus are not infrequent in plants producing complex vaccines and therapeutics, and the pandemic likely added to the pressure to produce.
Mistakes happen, but the one made by a Baltimore COVID vaccine maker may hurt for a while
April 2, 2021