FDA authorizes first SARS-COV-2 antibody test

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The US Food and Drug Administration has issued its first emergency use authorization for a coronavirus test that looks for antibodies in the blood.

That type of test, called a serology test, would be able to identify past coronavirus infections, although it may be less effective at identifying recent ones.

The authorized test, from a manufacturer called Cellex Inc., requires blood to be collected through a vein, and the test itself can only be performed in a certified lab.

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