The FDA authorizes 2 more coronavirus antibody tests [CNN]
Abbott Laboratories (ABT)
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Source: CNN
JT WATCHEDReplay ...MT WATCH03:40(CNN)The tests can detect past infections after people have recovered. But it's still not clearwhether having antibodiesA total of three tests are now authorized by the FDA, which determined that the benefits of using the quickly designed tests during the pandemic outweigh the risks -- such as false negatives or false positives.Scientists have bad news for the White House about coronavirus antibody testsThe tests, which use blood samples instead of a swab, are limited to use in authorized laboratories. Instead of looking for traces of the virus, they look for the body's response to the virus: antibodies.But the FDA warns the tests could lead to false negatives because antibodies may not be detectable early in infection.Read "A negative result may occur if you are tested early in your illness and your body hasn't had time to produce antibodies to infection,"the FDA said in a fact sheet.Still, experts say the antibody tests can be helpful in understandi
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