![]() ![]() And, SARS-CoV-2 antibodies detected in your blood reflect only one part of your immune system, which also includes T-cells and other components that are part of your body's immune response. More research is needed to understand what SARS-CoV-2 antibody test results can tell us. A positive SARS-CoV-2 antibody test does not necessarily mean you are immune or have immunity that will prevent COVID-19. At this time, SARS-CoV-2 antibody tests do not tell you if you have immunity that will prevent you from getting COVID-19. It also can take days to weeks after the infection for your body to make detectable antibodies.Īntibody Tests: Not for Use to Check Immunity Q: Will a positive result on a SARS-CoV-2 antibody test mean I have immunity and I will not get COVID-19?Ī: No. An antibody test does not show if you have a current SARS-CoV-2 infection or COVID-19 because the antibodies are part of the body's immune response to infection, and antibody tests do not test for the virus itself. A positive antibody test result can be used to help identify people who may have had a prior SARS-CoV-2 infection or prior COVID-19. Only COVID-19 diagnostic tests can be used to diagnose current COVID-19. An antibody test cannot be used to diagnose current COVID-19 because an antibody test does not detect SARS-CoV-2. ![]() Q: Are antibody tests used to diagnose COVID-19?Ī: No. Antibodies are just one part of your immune response. If antibodies give you this protection and how long this protection lasts can be different for each disease and each person. Your immune system can also safely learn to make antibodies through vaccination. Some antibodies in your body may protect you from getting those infections.
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