Coronavirus

CDC’s failed coronavirus tests were tainted with coronavirus, feds confirm | Ars Technica

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.