title: CDC head's resignation expands leadership void.
authors.forename: Martin
authors.initials: M
authors.lastname: Enserink
mesh_terms: D023482:Bioterrorism; D002487:Centers for Disease Control and Prevention, U.S. / Q000266:history / Q000458:organization & administration*; D049674:History, 21st Century; D011634:Public Health / Q000266:history; D014481:United States