The exact origin of HIV is unknown, as yet, but some scientists argue that some sort of virus, called SIVcpz, a Simian immunodeficiency virus from chimpanzees, which are used and is now in chimpanzees, in a few places in Africa .
Cases of HIV:
The spread of HIV in the body is in such a way that the virus Cleaves the cryptogram intrinsic cells used by the immune system, particularly cells, the “CD4 cells” and uses the inherent natural question regarding the creation of copies themselves. The body is able to more the’CD4 “cells, but sooner or later the virus HIV, the number of CD4 cells at a very low level, which in turn, in the end so that the functioning of the immune system. » Read more: HIV