John Y. Killen, Jr., Acting Director Of NIAID's AIDS Unit Takes Over As Head Of The Division John Y. Killen, Jr., was named director of the Division of AIDS (DAIDS) at the National Institute of Allergy and Infectious Diseases (NIAID) of the National Institutes of Health in Bethesda, Md., effective April 17. He had been acting director of the division since June of last year. As the division's new chief, Killen plans to continue th