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HIV is a type of virus called a retrovirus. Like all viruses, it must invade the cells of other organisms to survive and reproduce. HIV multiplies in the human immune system's CD4+ T cells and kills vast numbers of the cells it infects. The result is disease symptoms.
HIV, or the human immunodeficiency virus, is a sexually transmitted disease that assails the immune system. The virus attacks your CD4 cells (or T4 cells), which are necessary to fight off illnesses.
AIDS stands for Acquired Immune Deficiency Syndrome: AIDS is caused by a virus called HIV, the Human Immunodeficiency Virus. If you get infected with HIV, your body will try to fight the infection. It will make "antibodies," special molecules to fight HIV.
Aids HIV
