Abstract
In 2009, to date 16 human cases of West Nile neuroinvasive disease (WNND) have been reported in Italy, in three regions: Veneto, Emilia-Romagna and Lombardia. The number of cases is higher compared with last year when nine cases were identified (eight cases of WNND and one case of West Nile fever) and the geographical distribution indicates spread from east to west.
Highlights
West Nile virus (WNV) infection is transmitted in natural cycles between birds and mosquitoes, Culex spp. mosquitoes
A total of nine human cases were reported by two regions: five confirmed cases of West Nile neuroinvasive disease (WNND) and one case of West Nile fever were recorded in Veneto, all in the province of Rovigo [4], and three confirmed WNND cases were detected in Emilia-Romagna [5,6]
Virus-specific IgM and IgG were detected in cerebrospinal fluid (CSF) and serum specimens by immunoglobulin M antibody (IgM) capture enzymelinked immunosorbent assay (MAC-ELISA)
Summary
West Nile virus (WNV) infection is transmitted in natural cycles between birds and mosquitoes, Culex spp. mosquitoes. In 2009, to date 16 human cases of West Nile neuroinvasive disease (WNND) have been reported in Italy, in three regions: Veneto, Emilia-Romagna and Lombardia. The first human cases of WNV infection in Italy, including neuroinvasive forms, were identified in 2008 [3].
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