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West Nile disease in humans has been detected for the first time in Italy in two regions, Emilia-Romagna and Veneto. Surveillance subsequently set up in Veneto detected a case of West Nile neuroinvasive disease and a few asymptomatic infections, but no case of West Nile fever. We conclude that also West Nile fever cases should be specifically targeted by surveillance.
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Gobbi et al. (2009) studied this question.
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