HIV or human immunodeficiency virus attacks human bodies. The disease can be detected by testing urine, saliva and blood serum. Thos who suspect being exposed to the virus must get themselves tested. The online company Future Venture Ltd offers home kits at reasonable prices. There are basically four stages of HIV infection. The disease begins to show within 2 weeks of infecting a person who may experience flu-like symptoms with rash and swollen lymph.