Feuding antibodies blocked HIV vaccine | Bangkok Post: news

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Feuding antibodies block HIV vaccine

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WASHINGTON - US researchers said Monday that a high-profile HIV vaccine trial that was shown to work in just under a third of patients may have been hindered by feuding antibodies. 

The vaccine trial, known as RV144, involved more than 16,000 HIV negative volunteers in Thailand and used two investigational vaccines in combination.

When its results were first published in 2009, experts hailed its 31% protection rate as a pioneering achievement, even though it fell short of hopes by providing only a partial shield against HIV.

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