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News From the Field

Clues to Future Evolution of HIV Come From African Green Monkeys


July 16, 2007

a vervet monkey
Monkey viruses related to HIV may have swept across Africa more recently than previously thought, according to research from the University of Arizona in Tucson. A new family tree for African green monkeys shows that simian immunodeficiency virus first infected those monkeys after the lineage split into four species. The new research reveals the split happened about 3 million years ago. Scientists had thought SIV infected an ancestor of green monkeys before the speciation event.
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University of Arizona

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