[PDF] antibodies testing results

A: A positive antibody test result could mean you previously had a SARS-CoV-2 infection or COVID-19. A positive antibody test could also mean the test is detecting antibodies in your blood in response to your COVID-19 vaccine. Not all SARS-CoV-2 antibody tests will detect antibodies in response to a COVID-19 vaccine.
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  • How do I read my antibody test results?

    Antibody serology tests can show that you have an immune response to a pathogen. But they cannot show if you have full protection from a disease or how long the protection lasts. In the case of a newer disease like COVID-19, it is not yet known how long protection lasts after being infected or vaccinated.

  • What does an antibody test tell you?

    Ct values <38 are considered positive. Normal range: IgM 0.27–2.1, IgG 6.7–15, IgA 0.88–4.5 g/L. RDB = Receptor binding domain. Titers ?4 are considered positive.
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