Prevalence varies by region and is impacted by social stigma, access to preventive medicine and a lack of HIV/AIDS education, ...

HIV incidence in sub-Saharan Africa has declined substantially, according to both UNAIDS estimates and empirical data pulled ...

HIV medications stop the virus from making copies of itself. The Food and Drug Administration (FDA) has approved more than 50 HIV medications. HIV is transmitted through contact with blood, semen ...

See also ‘prevalence’. For example, take a test with 99.5% sensitivity and 99.5% specificity. If this test is used in a setting where 0.2% of people have HIV (for example, among the general population ...

A sub-optimal test, with only 94% sensitivity, would identify 94% of HIV-positive people, but miss 6% of them. If you have a negative result on a highly sensitive test (for example, over 99%), it is ...

Nearly 3,000 people have been infected with HIV since late January because of ... treatment there’s the risk of drug resistance, for example, and there’s the risk of new infections increasing ...