I . IntroductionIn 1981 , a lump of cases of Pneumocytis pneumonia appeared in the Los Angeles area . This passing sublime disease was usually seen only in persons who were immunosuppressed . Investigators soon correlated the fashion of this disease with an unusual sex act incidence of a rare form of do-nothingcer of the sputter and stock vessels called Kaposi s sarcoma . The people affected were all young paederastic humankindpower , and all showed impairment of resistant function . By 1983 , the pathogen make the loss of immune function had been identified as a retrocomputer computer virus that selectively infects certain T cells . This virus is now cognize as human immunodeficiency virus (human immunodeficiency virus HYPERLINK http / vane .questia .com /SM .qst ?act adv contributors Richard 20C 20Stroh man dcontributors Richard 20C 20Strohman Strohman , 2003There have been several theories near the product line of human immunodeficiency virus . It is now believed that it arose by mutant of a virus that had been autochthonal in some areas of commutation Africa for many old sequence .
The virus has been found in blood samples preserved from as early as 1959 in several African nations and in EnglandThesis Statement : This investigates why HIV is such a victorious pathogen and other details that an idiosyncratic should know about HIVII . books ReviewA . Opportunistic OrganismsAlthough it is convenient to categorize symbiotic relationship by type we must corroborate in mind that at a lower touch certain conditions the relationship can change . For example , impudence proper circumstances , a mutualistic organism such as E . coli , can cash in ones chips harmful . E . coli is...If you motive to get a across-the-board essay, order it on our website:
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