Both the ELISA and the Western blot tests are used to test for the presence of antibodies against the AIDS virus.

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Both ELISA and Western blot tests are commonly used to detect the presence of antibodies against the AIDS virus (HIV) in a person's blood sample. The ELISA (enzyme-linked immunosorbent assay) test is typically the first screening test and if positive, the Western blot is used to confirm the results.

Both the ELISA and the Western Blot Tests Are Used