HIV-2 and HIV-1 are both types of human immunodeficiency virus (HIV). They are both transmitted the same way, but HIV-2 does not spread as easily and progresses to AIDS more slowly. Those with HIV-2 ...

What are the three types of HIV tests available to patients, how do they differ, and how can patients determine the best option for them?

Predictive values may be defined as the likelihood that a result is correct. Predictive values depend on prevalence of the target analyte. NPVs of HIV tests and testing strategies are always high even ...