Sentinel Chickens (IMAGE) Burness Caption Sentinel chickens seen in one of the coops in Citrus County, FL. Evidence from the chickens revealed that EEEV is present year-round in the Florida Panhandle and that the region could be "seeding" the virus for the rest of Florida and for Northeastern states as well (EEEV is not found west of the Mississippi River). Credit Photo from Thomas Unnasch, University of South Florida Usage Restrictions none License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.