It meant that doctors around the country had to forward samples to the CDC for testing. Physicians would first have to call the CDC and convince the agency to agree to take a sample for evaluation. It was a cumbersome process that limited the flow of specimens. By that point, there were far more people in America with unusual respiratory symptoms whose doctors wanted to test them, but the CDC’s criteria still required that patients have all the signs and symptoms of COVID along with a history of travel to Wuhan or known exposure to someone who was already infected. This created a situation
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