Clinical Trial Between 2004 and 2007, the National Institutes of Health conducte
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Clinical Trial Between 2004 and 2007, the National Institutes of Health conducted a STEP vaccine clinical trial—Phase IIB “test-ofconcept” study. The STEP study is the name of a clinical trial to test an experimental human immunodeficiency virus (HIV) vaccine. The STEP study enrolled 3,000 participants ...
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