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Science 2 November 2007:
Vol. 318. no. 5851, p. 731
DOI: 10.1126/science.318.5851.731a
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News of the Week

AIDS RESEARCH:
Reconstructing the Origins of the AIDS Epidemic From Archived HIV Isolates

Jon Cohen

Five HIV isolates that had been forgotten in freezers for 2 decades are revealing new details about how and when the virus spread from Africa to Haiti and then exploded on the world scene.

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Science. ISSN 0036-8075 (print), 1095-9203 (online)