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Published online 4 November 2009 | Nature 462, 16-17 (2009) | doi:10.1038/462016a
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News briefing: 5 November 2009
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HIV ban lifted: US President Barack Obama has announced the end of a 22-year-old policy barring HIV-positive individuals who are not US citizens from entering the United States. The new policy comes into effect on 4 January 2010.
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