As the new coronavirus took root across America, the US Centers for Disease Control and Prevention sent states tainted test kits in early February that were themselves seeded with the virus, federal officials have confirmed.
The contamination made the tests uninterpretable, and—because testing is crucial for containment efforts—it lost the country invaluable time to get ahead of the advancing pandemic.
The CDC had been vague about what went wrong with the tests, initially only saying that “a problem in the manufacturing of one of the reagents” had led to the failure. …
Now, according to investigation results reported by The New York Times, federal officials confirm that sloppy laboratory practices at two of three CDC labs involved in the tests’ creation led to contamination of the tests and their uninterpretable results.
Problems that led to the contamination included researchers coming and going from labs working on the test kits without changing their coats and researchers sharing lab space to both assemble test components and handle samples containing the coronavirus.
The CDC said in a statement Saturday to the Times that the agency “did not manufacture its test consistent with its own protocol.”