Arnold F. Kaufmann, D.V.M., M.S. Katherine R. Sulzer, M.S., Ph.D. (Hon) Arnold G. Steigerwalt, M.S. Faye C. Rogers Don J. Brenner, Ph.D. Emerging Bacterial and Mycotic Diseases Branch Division of Bacterial and Mycotic Diseases National Center for Infectious Diseases National Center for Infectious Diseases Centers for Disease Control and prevention Atlanta, Georgia 30333USA