Final 2010 West Nile virus Human Activity by county in the United States

This map reflects surveillance findings occurring between January 1, 2010 through December 31, 2010 as reported to CDC's ArboNET system for public distribution by state and local health departments.

Map shows the distribution of non human activity (shaded in light green) and human infections including PVDs (dark green) occurring during 2010 by county as reported to CDC's ArboNET system for public distribution by state and local health departments. If West Nile virus infection is reported from any area of a county, that entire county is shaded.

Please select the state from the drop down list below, to view any WNV activity by state, and county, of Bird, Human, Mosquito, Sentinel, or Veterinary data provided by ArboNET.

Select State Alabama Alaska Arizona Arkansas California Colorado Conneticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachussets Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvania Puerto Rico Rhode island South Carolina South Dakota Tennesee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming
(Data provided by ArboNET presented by USGS)

For information on WNV activity in Canada please see:
http://www.phac-aspc.gc.ca/wnv-vwn/index.html