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United Africa
Written by Administrator   
Wednesday, 07 July 2004
   
Last Updated ( Thursday, 04 January 2007 )
 
HIV/AIDS
Written by Administrator   
Monday, 09 August 2004

Human immunodeficiency virus or HIV is a retrovirus that causes Acquired Immune Deficiency Syndrome (AIDS), a condition in which the immune system begins to fail, leading to life-threatening opportunistic infections. Previous names for the virus include Human T-Lymphotropic Virus-III (HTLV-III) and lymphadenopathy-associated virus (LAV).[1][2]

Infection with HIV occurs by the transfer of blood, semen, vaginal fluid, Cowper's fluid or breast milk. Within these body fluids HIV is present as both free virus particles and virus within infected immune cells. The three major routes of transmission are unprotected sexual intercourse, contaminated needles and transmission from an infected mother to her baby at birth or through breast milk. Screening of blood products for HIV in the developed world has largely eliminated transmission through blood transfusions or infected blood products in these countries.

Last Updated ( Tuesday, 19 December 2006 )