Difference between revisions of "Acquired Immunodeficiency Syndrome"

Revision as of 02:16, June 22, 2009

AIDS kills fags dead

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-'''Acquired Immune Deficiency Syndrome''' (usually referred to as '''AIDS''') is a collection of uncurable diseases and symptoms often believed to be caused by long-term infection with the[[HIV| Human Immunodeficiency Virus]].
+AIDS kills fags dead
-== Definition ==
-According to the CDC's 1993 guidelines, <ref>http://www.cdc.gov</ref><ref>http://www.merckmedicus.com/ppdocs/us/hcp/content/merck/hiv/hivaids/aidsdefi.htmAIDS is defined </ref>as follows:
-HIV infection ''plus'' any of the following:
-*[[CD4]] count less than 200 or
-*CD4 percentage less than 14% of total lymphocytes or
-*Any of the following illnesses: pulmonary TB, recurrent pneumonia, invasive cervical cancer.
-*Expanded definition including 23 clinical conditions published elsewhere<ref>http://www.cdc.gov/MMWR/preview/mmwrhtml/00018871.htm</ref>
-The World Health Organization uses a different staging method for HIV disease. <ref>http://www.aids-ed.org/aetc/aetc?page=cm-105_disease</ref>
-== History ==
-The illness was first recognized in the early 1980s<ref>New England Journal of Medicine, Volume 344:1764-1772  June 7, 2001  Number 23</ref>  as homosexual men presented to their doctors with a rare lung disease called ''Pneumocystis carinii'' pneumonia (PCP)<ref>Pneumocystis pneumonia -- Los Angeles. MMWR Morb Mortal Wkly Rep 1981;30:250-252)</ref>. Early on, the "[[gay disease]]" took on a variety of names, including "gay cancer" and "Gay-related immune deficiency" (GRID). The [[Centers for Disease Control]] noticed an increase in requests for drugs needed to treat this illness and launched an epidemiological investigation.
-Although the first cases of the disease probably go back to the 1950s, the epidemic was not recognized until the early 1980s [http://www.avert.org/his81_86.htm].  The early epidemic occurred in two main branches; in the US and other developed countries, and in sub-Saharan Africa.  In the US, the early epidemic was primarily spread by homosexual sex, intravenous drug use, and blood transfusions (prior to the introduction of testing).  In Africa, transmission was almost exclusively by heterosexual sex.  Currently, most new infections worldwide are spread by promiscuous heterosexual sex and prostitution.
-== Natural History ==
-After infection with [[HIV]], the virus quickly replicates in lymphatic tissue and travels through the blood to infect most areas of the body.  The largest consequence of this is the "hijacking" of certain immune cells, especially so-called T-Helper, or CD-4, cells.  Early in the infection, the immune system holds the infection at bay, often causing "Acute Retroviral Syndrome", a flu-like illness.  Patients often have swollen lymph nodes. After approximately 8-10 years of infection, the immune system begins to lose its battle.  This is primarily seen in the loss of numbers of CD4 cells, however the changes are somewhat more complex.  When the CD4 cell level drops low enough, AIDS becomes apparent.
-The first symptoms of the illness are generally night sweats, weight loss, and oral thrush.
-== Opportunistic Infections (OIs) ==
-The hallmark of AIDS is the appearance of ''opportunistic infections'', meaning infections with organisms that do not usually cause human disease, unless given the right "opportunity".  This opportunity is the reduction in cell-mediated immunity, first seen in patients with certain cancers or on anti-rejection drugs for organ transplantation.
-These infections include:
-*Pneumocystis jiroveci, previously [[Pneumocystis carinii]]
-*[[Candida albicans]] (the cause of thrush and vaginal yeast infections)
-*Staphylococcus aureus (primarily causes skin infections)
-*[[Toxoplasma gondii]]
-*[[Cytomegalovirus]]
-*Streptococcus pneumoniae (the primary cause of pneumonia in AIDS patients)
-*[[Mycobacterium tuberculosis]] (TB)
-*Mycobacterium avium complex (atypical mycobacterium)
-*Cryptococcus neoformans (a cause of meningitis)
-*Epstein Barr virus (leads to a type of lymphoma)
-*Human herpesvirus-8 (causes Kaposi's sarcoma)
-== Dissent ==
-Among the world's medical professionals and biologists, there is general agreement that HIV causes AIDS.  In this, Koch's postulates have been clearly fulfilled, and basic science research has shown the same.  Specific drugs have been developed that treat HIV infection and AIDS, helping show the causal relationship.  That being said, there is a vocal minority of people, scientists and non-scientists alike, who do not believe that HIV causes AIDS.  Foremost among these is Dr. Peter Duesberg.  Details about these "re-thinkers" and their arguments can be found at several websites, but not in any reliable peer-reviewed journals: <ref>[http://www.reviewingaids.org/awiki/index.php/Main_Page]</ref>
-== Also See ==
-* [[Mortality]]
-==References==
-{{reflist}}
-==External Links==
-*[http://newsbusters.org/blogs/robert-knight/2007/12/01/some-questions-media-wont-ask-today-about-aids Some Questions the Media Won't Ask Today About AIDS], Robert Knight, [[NewsBusters]], December 1, 2007
-[[Category:Diseases]]
-[[Category:Syndromes]]
-[[Category:Demography]]
-[[Category:AIDS| ]]

Difference between revisions of "Acquired Immunodeficiency Syndrome"

Revision as of 02:16, June 22, 2009

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