HIV is the virus which is a Lentivirus group subgroups of this group of viruses, the virus is Retrovirus group in terms of a long term passive. The cause is a virus in the blood stream for a long time. Infection in the nervous system and cause the infected person's immune system weak. HIV has a specific T CD4 white blood cells: types of lymphocyte and Monocyte high CD4 cells will be the catcher and embedded into HIV increases the number by creating DNA by enzymes reverse transcryptase after call it virus DNA is inserted into the DNA of their late infection permanently and can increase the amount if necessary.
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