The transmission of HIV involves the acquisition of the viral infection from which you will never heal. The late stage of HIV infection is the full-blown disease, or the AIDS (acquired immunodeficiency syndrom), phase in which the manifestation of symptoms has a strong impact on the body.
HIV is a retrovirus, that is a virus that has RNA as genetic material, but to complete the infective cycle, must transform the RNA into DNA, through a process known as reverse transcription.
After, the infection HIV attacks and weakens the immune system, rapidly multiplying in the blood. When the body begins to react to the infection, flu-like symptoms appear. For a longer or shorter period, the antibodies can cope with the infection but, little by little, the immune system is weakened and no longer able to fight the virus. The late stage of infection (AIDS) sees the decline of CD4 lymphocytes that are no longer able to defend the body from certain types of infections and diseases. Read more