Map Human West Nile Cases - Telebriefing: West Nile Virus activity in the United States, Measles Outbreak in the Marshall Islands and Preparing for Hurricane Isabel

National Center for Infectious Diseases Human West Nile Virus Disease Cases Cumulative results for calendar year reported as of 3:00 a.m. MDT September 17, 2003 Human West Nile Virus Disease Cases by State 0 1 to 100 101 to 250 251 to 1519 PROBABLE and CONFIRMED Cases are shown. Data provided by ArboNet Surveillance System, Division of Vector-Borne Infectious Disease CDC Foothills Campus, Fort Collins Colorado If these data seem incomplete, the most likely explanation is a delay in the reporting of cases to CDC by state health departments