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Nature 442, 852-853 (24 August 2006) | doi:10.1038/442852a; Published online 23 August 2006

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Light shed on battle against HIV

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Simple strategy may give embattled cells a boost.

Why does the human body fail to defend itself from the virus that causes AIDS? The answer, researchers are finding, could be that HIV triggers a natural mechanism that impairs the main cells responsible for fighting the virus.

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