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HIV/AIDS What is HIV / AIDS? Acquired immunodeficiency syndrome, or AIDS, is the final, life-threatening stage of infection with the human immunodeficiency virus, which is transmitted from person to person sexually, through contact with blood (mainly via equipment used to inject illicit drugs and, rarely, via medical uses of blood), and perinatally (from mother to foetus or newborn during pregnancy, labour, and delivery, or after birth through breast-feeding). Spatial Patterns People Living With AIDS (2006) Regions Estimate Australia & New Zealand 15,000 Caribbean 420,000 East Asia & Pacific 1,000,000 Eastern Europe & Central Asia 1,000,000 Latin America 1,500,000 North Africa & Middle East 500,000 North America 950,000 South & Southeast Asia 5,600,000 Sub-Saharan African 28,500,000 Western Europe 550,000 Global total 40,000,000+ From the map and the table, we can see that the prevalence of AIDS isn't evenly or randomly spread around the world, but has certain patterns. It is more common in third world countries, especially India, Africa and South American countries. Although 2/3rd of the world's AIDS patients are in Africa, there is a wide variation in...

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