1. ELISA: Used to detect the presence of antibodies or antigens in a sample. It is highly sensitive and specific. 2. Western Blot: Used to detect specific proteins in a sample. It confirms the results of an ELISA test. 3. Immunofluorescence: Utilizes fluorescent-labeled antibodies to detect specific antigens in tissue sections. 4. Agglutination Tests: Detect the presence of antibodies or antigens by observing the clumping of particles.
