Only one antigen test has been permitted — a rapid test kit created by the Quidel Corporation in San Diego that can show results within 15 minutes. The FDA hopes to evaluate and authorize more antigen tests in the coming weeks. Being able to immediately know whether someone’s been exposed to the new coronavirus could […]
Share on PinterestExperts say the “false negatives” in COVID-19 tests probably occur due to insufficient collecting of samples, not the laboratory examination itself. Getty Images Early research indicates that a common test for COVID-19 may produce “false negatives”...
Share on PinterestIt’s difficult to know how widely the virus has spread, due in part to gaps and delays in testing. Getty Images The CDC has expanded the criteria for testing, giving the go-ahead to doctors to order tests through public health labs. To test someone...
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