A certain patient, X, is suspected to be suffering from acquired immune deficiency syndrome. Which diagnostic technique will you recommend for its detection?
MRI
Ultra Sound
WIDAL
ELISA
A widely used diagnostic test for AIDS is ELISA (Enzyme Linked Immuno-Sorbent Assay). It is based on the principle of antigen-antibody interaction, where infection by a pathogen can be detected by the presence of antigens or by detecting the antibodies synthesised against the pathogen In contrast, the Widal test is used for typhoid while MRI and Ultrasound are imaging techniques used for detecting cancers
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