Expand ELISA. On what principle ELISA test is based? List two ways by which an infection can be detected in this test.
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ELISA is a test which proves whether a person is HIV infected or not...the intital stage is small blot
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ELISA works on the principle that specific antibodies bind the target antigen and detect the presence and quantity of antigens binding. In order to increase the sensitivity and precision of the assay, the plate must be coated with antibodies with high affinity.
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