Abstract
1Meningitis and Special Pathogens Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
3Nosocomial Pathogens Laboratory Branch, Hospital Infections Program, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, GA 30333, USA
2Staatliches Medizinaluntersuchungsamt, D-38124 Braunschweig, Germany
4Institut für Angewandte Mikrobiologie, Justus-Liebig-Universität, D-35390 Giessen, Germany