AIDS

Introduction acquired insubordinate deficiency syndrome stands for Acquired repellent Deficiency Syndrome. It is in like manner know as Acquired Immunodeficiency Syndrome. AIDS is a collection of infections and syndroms in benignants. This is caused by specific deterioration to the resistant system by the valet immunodeficiency computer virus (human immunodeficiency virus). ii contours of human immunodeficiency virus infect humans: HIV-1 and HIV-2. HIV-1 is to a greater extent dangerous and more intimately transmitted. HIV-1 is the source of the majority of HIV infections throughout the world, patch HIV-2 is less(prenominal) easily transmitted and is more often than not restricted to atomic image 74 Africa. First elusions of AIDS The first document HIV-1 infection and was find in 1959, in the blood take 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, extremum fatigue, game fever and speedy weight loss. He died the equivalent yr from a genuinely r are kind of pneumonia. 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 cast of SIV found in hoary World monkeys. Retroviruses A Retrovirus is an enveloped virus impact an ribonucleic acid genome, which replicates via a deoxyribonucleic acid intermediate.

Retroviruses use the enzyme reverse transcriptase to transcript its genome from RNA to DNA, so that it tramp be integrate to the hosts genome using an enzyme and it can work out itself. How the HIV affects the immune system HIV originally infects the vital components of the human immune system, for example helper T-cells and because destroys them. It also infects macrophages, which are cells that souse 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: Ordercustompaper.com

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