Many advanced HIV testing methodologies has been developed to reduce the risk of HIV infection. HIV testing helps to improve the health outcomes for the people living with HIV. Window period, ELISA, ELISA dongle, Western blot, Rapid or point-of-care tests, Interpreting antibody tests, Accuracy of HIV testing are the Antibody tests. Some other methods for HIV testing are Antigen tests, Nucleic acid-based tests, Screening, CD4 T-cell count, Oral tests, AIDS denialism and fraudulent testing.