About COVID-19 Antibody Test
These serological blood test identifies antibodies indicates that a person has an immune response to COVID-19 (also known as a coronavirus or SARS-CoV-2). A positive result for antibodies (IgG) test shows that you may have prior exposure COVID-19 and your body has developed antibodies.
Although this may take up to 14 days after the onset of symptoms of antibodies to be developed in the body, 91% of people develop these antibodies within the first 8-13 days.