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European Centre for Disease Prevention and Control, Eurosurveillance, 36(27), 2022

DOI: 10.2807/1560-7917.es.2022.27.36.2200653

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Rapid increase in neuroinvasive West Nile virus infections in humans, Italy, July 2022

Journal article published in 2022 by Flavia Riccardo, Andrianou Xd, Antonino Bella, Federica Monaco, Federica Ferraro, Xanthi D. Andrianou, Daniele Petrone, Alberto Mateo-Urdiales, Martina Del Manso, Giulietta Venturi, Maria Grazia Caporali, Daniela Morelli, Claudia Fortuna ORCID, Federica Iapaolo, Marco Di Luca and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

As in 2018, when a large West Nile virus (WNV) epidemic occurred, the 2022 vector season in Italy was marked by an early onset of WNV circulation in mosquitoes and birds. Human infections were limited until early July, when we observed a rapid increase in the number of cases. We describe the epidemiology of human infections and animal and vector surveillance for WNV and compare the more consolidated data of June and July 2022 with the same period in 2018.