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In HIV vaccine research—where the stakes are high both scientifically and financially—it is rare to find a scientist as universally liked as Dennis Burton. Tempering deep ambition with a deeper sense of integrity, Burton walks the fine line between competition and collaboration.
Leading the Centers for Disease Control and Prevention (CDC), America's premier public health agency, is a challenging task at the best of times. Meet Julie Gerberding, head of the CDC in these difficult days of bioterrorism, and the first female director in the agency's 57-year-history.