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Merck Reemerges With a Bold AIDS Vaccine Effort

AIDS RESEARCHKEYSTONE, COLORADO-- Over the past few years, scientists from Merck & Co. have quietly built an AIDS vaccine research program that has fundamentally altered the landscape of this beleaguered field. At a scientific meeting here this week, Merck researchers described a comparison of various AIDS vaccine approaches in more than 100 monkeys. What most dazzled researchers here is the sheer scale of the company's AIDS vaccine effort, an endeavor that has attracted scant interest from other big pharmaceutical companies.