Knowing the pathophysiology of HIV infection is important in conjunction with the dynamics of viral reproduction, how the virus infects immune system and the needs of antiretroviral (ARV) treatment and care. In the following article you will be shown sections such AIDS’ definition, the eight stages of HIV lifecycle in understanding how HIV progression from symptomatic to the development of AIDS (Viral Binding, Entry and Uncoating, Reverse Transcription, Integration into Host Chromosomal DNA, Synthesis of Viral DNA, Translation and Production of Viral Proteins, Assembly of Virus and Budding from the Host Cell, and Maturation).