AIDS

Introduction acquired repellent deficiency syndrome stands for Acquired Immune Deficiency Syndrome. It is besides known as Acquired Immunodeficiency Syndrome. AIDS is a collection of infections and syndroms in benignants. This is caused by specific deterioration to the insubordinate system by the human immunodeficiency computer virus (HIV). ii openhearteds of HIV infect creation: HIV-1 and HIV-2. HIV-1 is more dangerous and more easily contagious. HIV-1 is the source of the volume of HIV infections throughout the world, patch HIV-2 is less easily transmitted and is largely restricted to atomic number 74 Africa. graduation exercise cases of AIDS The first documented HIV-1 infection and was find in 1959, in the blood sample of a man from Belgian Congo. other early case of AIDS happened on a Haitian man in 1559, when he suffered of shortness of breath, extreme point fatigue, game fever and rapid weight loss. He died the similar yr from a very r are kind of pneumo nia. AIDS was discovered on June 5, 1981. HIV-1 evolved from a Simian Immunodeficiency virus (SIV) found in a chimpanzee. HIV-2 evolved from a different dividing line of SIV found in Old World monkeys. Retroviruses A Retrovirus is an enveloped virus processing an ribonucleic acid genome, which replicates via a DNA intermediate.

Retroviruses use the enzyme purloin transcriptase to transcript its genome from RNA to DNA, so that it tramp be integrated to the hosts genome using an enzyme and it can multiply itself. How the HIV affects the immune system HIV primarily infects the vital components of the human immune system, for example helper T-cells and then destroys them. It likewise in fects macrophages, which are cells that con! centrate and digest pathogens, and it also attacks dendritic cells, which are cells that move with T and B cells to begin and shape the immune response. The virus also directly and indirectly kills CD4+T cells, which... If you want to brook a full essay, order it on our website: OrderEssay.net

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