These maps reflect information for the 2008 La Crosse Encephalitis reporting season that has been submitted and verified to CDC through the week of April 9, 2009. These are considered the final USGS La Crosse Encephalitis Maps for the 2008 season.

These maps reflect information for the 2007 La Crosse Encephalitis reporting season that has been submitted and verified to CDC through the week of May 20th, 2008. These are considered the final USGS La Crosse Encephalitis Maps for the 2007 season.

These maps reflect information for the 2006 La Crosse Encephalitis reporting season that has been submitted and verified to CDC through the week of May 1, 2007. These are considered the final USGS La Crosse Encephalitis Maps for the 2006 season.

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.