The FDA on Wednesday authorized one of the first Covid-19 tests that measures the amount of neutralizing antibodies produced by the body’s immune system after exposure to the virus — a “new generation” of coronavirus test that is designed to tell how well someone is protected against infection.
The body’s immune system produces antibodies to combat viruses and other foreign pathogens that invade the body. When it comes to Covid-19, it remains unclear how much protection antibodies provide and how long that might last, but this test could help researchers better understand the role of Covid antibodies in immune protection.
Unlike many previously authorized Covid antibody tests that can tell if you’ve had the virus or not, the COVID-SeroKlir test measures your specific levels of Covid-19 neutralizing antibodies. The Food and Drug Administration has previously authorized some tests that estimate the level of antibodies, but not specifically for neutralizing antibodies.
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