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HIV origin 'found in wild chimps'


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HIV origin 'found in wild chimps'

 

The origin of HIV has been found in wild chimpanzees living in southern Cameroon, researchers report.

A virus called SIVcpz (Simian Immunodeficiency Virus from chimps) was thought to be the source, but had only been found in a few captive animals.

 

Now, an international team of scientists has identified a natural reservoir of SIVcpz in animals living in the wild.

 

The findings are to be published in Science magazine.

 

It is thought that people hunting chimpanzees first contracted the virus - and that cases were first seen in Kinshasa, in the Democratic Republic of Congo - the nearest urban area - in 1930.

 

Scientists believe the rareness of cases - and the fact that symptoms of Aids differ significantly between individuals - explains why it was another 50 years before the virus was named.

 

http://news.bbc.co.uk/2/hi/health/5012268.stm

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