These maps reflect information for the 2005 La Crosse Encephalitis reporting season that has been submitted and verified to CDC through the week of May 5, 2006. These are the final USGS La Crosse Encephalitis Maps for the 2005 season.

These maps reflect information for the 2004 La Crosse Encephalitis reporting season that has been submitted and verified to CDC through the week of June 21, 2005. These are the final USGS La Crosse Encephalitis Maps for the 2004 season.