एचआयव्हीचे निदान करण्यासाठी कोणती चाचणी आहे A. पॅप स्मीअर B. एलिसा C. डीएनए D. मैनटॉक्स

ELISA (Enzyme-Linked Immunosorbent Assay) is the standard screening test for HIV; it detects antibodies to the virus in the blood (positive results are confirmed by a Western blot). A Pap smear screens for cervical cancer, and the Mantoux test is for tuberculosis.