Can you tell me the causes of hiv/aids?

Cause of HIV/AIDS: The cause of hiv/aids is an RNA retrovirus that infects cells w/a specific target called a CD4 receptor. Many of these cells function in the immune system. Once in the cell, the virus changes to a dna virus ; enters the nucleus of the cell ; binds to the dna becoming part of that cell. It then uses the cells machinery to replicate ; finally kill off the cell ; w/it the immune system of the host.

HIV infection: Hiv is one of five stds that can cause death. It is a virus that is transmitted from body fluids to body fluids. So, blood to blood or semen to blood. It is often transmitted during intercourse and can be contagious to either partner if one is infected. Do you know the twelve common stds? Do you know which ones are potentially deadly? Do you know how to protect yourself?