РефератыИностранный языкAIAIDSHIV Essay Research Paper AIDSHIVThe HIV virus

AIDSHIV Essay Research Paper AIDSHIVThe HIV virus

AIDS/HIV Essay, Research Paper


AIDS/HIV


The HIV virus poses one of the biggest viral threats to human society today. It


is contracted through bodily fluids such as blood and semen, and sometimes even


saliva and tears. AIDS kills 100% of its victims and puts them through agony


before they die. It has been a threat for about 15 years, and it is not going


to stop now. In fact, AIDS is just getting started: It consumes more people


each year. There is no known treatment for it either, only antibiotics to slow


the reproduction of the virus. HIV is passed from one person to another by


bodily fluids only. It is usually gotten through sexual intercourse or other


intimate contact, through the exchanging of unsterilized intravenous needles, or


by the contact of HIV-infected bodily fluids and an open wound. It cannot


permeate though intact skin, hence it cannot be spread through informal contact.


AIDS has not been found to travel in insects or tame animals. In pregnant women,


the virus only infects the infant near or at the time of birth. The virus dies


quickly without a host.


AIDS (Acquired ImmunoDifficiency Syndrome) weakens the body?s immune system so


it is sensitive to infection. The AIDS virus primarily attacks the T


lymphocytes, which are a main part of the immune system. The virus is also


incubated in cells called macrophages, where it is accidentally sent to other,


healthy cells in the body like neurons and lymphatic cells. After HIV is


contracted, the person looks and feels healthy for up to 20 years before


symptoms start occurring. During this time, the person can give the virus to


another even though it cannot be detected by sight or smell. Usually, symptoms


start developing within 1 to 2 years. Typical indications of the virus are


fever, weariness, weight loss, skin rashes, a fungal mouth infection called


thrush, lack of immunity to infection, and enlarged lymph n

odes. When AIDS


overtakes the body, the body becomes especially susceptible to tuberculosis,


pneumonia, and a rare form of cancer called Kaposi?s Sarcoma. Once AIDS has


fully taken hold, the body may suffer damage to the nerves and brain. The life


expectancy of an AIDS victim after the birth of symptoms is 1 to 5 years. AIDS


was believed to have begun in Central Africa around 1979. Nearly all of the


first AIDS patients were male homosexuals. However, after 1989 90% of all new


cases of AIDS were from heterosexual intercourse. Public awareness rose as


famous people began to die, like Rock Hudson, Perry Ellis, Michael Bennett,


Robert Mapplethorpe, and Tony Richardson. Basketball star Magic Johnson also


reported having AIDS. The approximate number of AIDS cases in the U.S. alone is


65,000 and growing. So far, there is no treatment or vaccination for AIDS. With


most viruses, the body produces antibodies that eventually destroy the virus.


However, with HIV, natural antibodies are completely ineffective. Blood tests


will not give accurate results of infection of HIV until between 2 weeks and 3


months after the initial infection. In 1987, the drug AZT (azidothymidine) had


proved effective in slowing the growth of the virus, but it was lethal in large


doses and some patients could not handle taking it at all. There was a new HIV-


fighting chemical scientists found called DDI (dideoxyinosine) that was not as


harmful to the patient and could be used in AZT?s place for more sensitive


patients. In 1992 DDC (zalcitbine) was found to be useful for delaying the


reproduction of HIV in patients with advanced AIDS, but only in conjunction with


AZT. AIDS is one of an epidemic of super-deadly viruses like Ebola, Hanta Virus,


and Dingae in Puerto Rico. In my opinion, this is nature?s way of fighting back


from overpopulation. However, AIDS is a formidable disease and is a force to be


reckoned with.

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