Editor's note: This story was revised Jul 31 after Besser contacted CIDRAP to say that the date listed for his start at ABC News was incorrect.
(CIDRAP News) Richard E. Besser, MD, a long-time employee of the US Centers for Disease Control and Prevention (CDC) who served as the agency's acting director during the beginning of the novel H1N1 virus outbreak, is leaving the agency to work for ABC News.