Answer: tests for the HIV antibodies.
Step-by-step explanation:
ELISA and Western blot are the antibody tests that are carried out on individuals for the detection of HIV. ELISA is an acronym for enzyme-linked immunoassay and it is used for the detection of the antibodies taht are inside the blood.
During the test, little sample of blood will be taken which will then be used to detect the HIV antibodies.