Intraspecific Diversity of Yersinia pestis

Department of Infectious Diseases, State Research Center for Applied Microbiology, 142279 Obolensk, Serpukhov District, Moscow Region, Russia; Department of Bacterial Diseases, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910; and Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115

Department of Infectious Diseases, State Research Center for Applied Microbiology, 142279 Obolensk, Serpukhov District, Moscow Region, Russia; Department of Bacterial Diseases, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910; and Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115

Department of Infectious Diseases, State Research Center for Applied Microbiology, 142279 Obolensk, Serpukhov District, Moscow Region, Russia; Department of Bacterial Diseases, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910; and Channing Laboratory, Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115