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.
1 If you give your consent to be tested, an HIV test will be done with either a sample of blood or fluid (saliva) from inside your mouth. 2  For the blood test, blood is drawn either from an arm or from a finger with a needlestick.3  For the oral-fluid test, a swab is used to brush the inside of your mouth.our provider will tell you the result. Possible results are: Positive: result means that you have an HIV infection and you can pass it to others. Negative: result means either you do not have HIV or got it so recently that your body has not had time to make enough antibodies to be seen by the test.