HIV: Human Immunodeficiency Virus
HIV is the virus that causes AIDS by infecting and killing the helper "T" cells of the immune system.
AIDS: Acquired Immune Deficiency Syndrome
A fatal and incurable condition that attack's the body's immune system, destroying its ability to fight off "opportunistic infections" (OI). The critical end point of HIV.
OI: Opportunistic Infections
Opportunistic Infections take advantage of the body's weakened immune defenses and they are called "opportunistic" because ordinarily they are harmless in a person with a healthy immune system. Some common OI's are...