I've had some questions about the AIDS epidemic here in South Africa and why it's so widespread. Here are some websites you can check out which talk about that in detail...
http://www.avert.org/aidssouthafrica.htm
http://aids.about.com/cs/aidsfactsheets/a/africa.htm
**interesting note on this one which I didn't know, the President of South Africa doesn't believe HIV causes AIDS!!
http://www.aids.org.za/index.htm
http://www.africaaction.org/docs03/tac0303.htm