A member asked:

What are the causes of aids-hiv and why did it not exist before around 1960?

A doctor has provided 1 answer

HIV causes AIDS...: Hiv (the human immunodeficiency virus) is the cause of aids (the acquired immune deficiency syndrome). The exact origin of this virus is not certain, but it is most likely a zoonosis, an infection spread from animals to people. Most investigators feel that this virus jumped to people from apes in west africa.

Answered 7/8/2013

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