a desert in NW India and S Pakistan. About 77,000 sq. mi. (200,000 sq. km). Also called Great Indian Desert.
HIV tests are used to detect the presence of the human immunodeficiency virus (HIV), the virus that causes acquired immunodeficiency syndrome (AIDS), in serum, saliva, or urine. Such tests may detect antibodies, antigens, or RNA.
Most HIV tests detect antibodies (proteins your body makes against HIV), not HIV itself. But it takes a few weeks for your body to produce these antibodies, so if you test too early, you might not get an accurate test result. A new HIV test is available that can detect HIV directly during this early stage of infection.ach of these symptoms can also be related to other illnesses. So the only way to know for sure if you have HIV is to get tested. Many of the severe symptoms and illnesses of HIV disease come from the. that occur because your bodyâs immune system has been damaged.