FDA authorizes first antibody-based test for COVID-19

Photo: Xinhua / Shen Bohan via Getty Images The Food and Drug Administration has issued its first authorization for a COVID-19 test that looks for antibodies in the blood, rather than for the virus in the nose or throat. While the antibody approach means this test will have limitations, it’s an important tool that could help in the response to the pandemic.The test is produced by the biotechnology company Cellex. Health care providers have to draw blood from a patient’s vein to run