1. Epidemiology Branch, Communicable Disease Division, Hawaii State Department of Health, Honolulu, Hawaii 968131;
2. Medical Microbiology Branch, State Laboratories Division, Hawaii State Department of Health, Pearl City, Hawaii 967822; and
3. CDC/WHO Collaborating Center for Leptospirosis, Meningitis and Special Pathogens Branch, Division of Bacterial and Mycotic Diseases, National Center for Infectious Diseases, Centers for Disease Control and Prevention, Atlanta, Georgia 303333