ELISA test - Definition

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The ELISA is a laboratory immuno-enzymatic test, which stands for enzyme-linked immunosorbent assay. It is an immunological test, as it primarily aims to reveal the presence of the specific antibodies or antigens of a disease in a blood sample. This test uses a protein called an enzyme that binds to certain specific components of the disease. By detecting and quantifying this enzyme, we are therefore able to confirm diagnosis of a disease, as well as assess how far it is progressed.