As of 28 August 2012, 1 590 human cases of West Nile virus disease have been reported in the United States of America. Of these, 889 (56%) were classified as neuroinvasive disease.
Further human cases of West Nile fever have been reported for the EU and its neighbourhood over the past week. Every Friday ECDC publishes on its website the West Nile fever maps, the information being based on cases reported up to the Thursday of each week.