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Fred Hutchinson Cancer Research Center
Results of landmark study of HIV vaccine published in the Lancet
November 26th, 2008
Results from the Step study, a test-of-concept efficacy study of a Merck & Co., Inc. HIV vaccine candidate, were published online today in two papers in The Lancet. These analyses of the Step study are being conducted, presented and published to inform the continued search for an effective HIV vaccine. The two analyses, one of the clinical results of the study and the other of study participants' immune responses to the vaccine, did not produce a clear answer to the question of why this particular vaccine candidate did not lower the risk of acquiring HIV or reduce the severity of HIV infection. The primary results of the Step study were first released in September 2007...
Source: Vaccine Weekly (2008-11-26)
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