An antibody test is a screening for things called antibodies in your blood. Your body makes these when it fights an infection, like COVID-19.
The antibody test isn’t checking for the virus itself. Instead, it looks to see whether your immune system -- your body’s defense against illness -- has responded to the infection.
Not everyone who is infected may have symptoms, and hence, to determine, and
Antibody tests tell us if a person has been exposed to a virus or other infecting microorganism. They detect the presence of antibodies that are produced in response to infection.
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