Human Immunodeficiency Virus (HIV) Test
A
human immunodeficiency virus (HIV) test detects
antibodies to HIV or the genetic material (DNA or
RNA) of HIV in the blood or another type of sample.
This determines whether an HIV infection is present (HIV-positive). HIV infects
white blood cells called CD4+ cells, which are part of the body's
immune system that help fight infections. HIV can progress to
acquired immunodeficiency syndrome (AIDS).
After the original
infection, it takes between 2 weeks and 6 months...