Explain the Difference Between an Antigen and an Antibody
The antibody test only measures the immune response not whether the virus is actively present. The main difference between antigen and antibody is that one detects the virus in the body at its most contagious stage while the antibody test detects whether the body has developed a defence against the virus. An Introduction To Primary Antibodies And Secondary Antibodies Goldbio An epitope also known as the antigenic determinant is that part of the antigen to which antibodies bind. . The antibody test detects prior history of COVID-19 exposure. Antigen- any substance that has the ability to interact with B cell receptors T cell receptors TCR or antibody Ab not all these are immunogens. If positive the health department will interview the antibody-symptoms and if they were COVID-19. The key difference between antigen and antibody is that antigen is any substance that induces the immune system to produce antibodies against it wh...