Calzolari M, ZÃ© ZÃ© L, VÃ¡zquez A, SÃ¡nchez Seco M, Amaro F, Dottori M. Insect-specific flaviviruses, a worldwide widespread group of viruses only detected in insects. Infect Genet Evol. 2016;40:381-388 pubmed publisher
Chiari M, Calzolari M, Prosperi A, Perulli S, Faccin F, Avisani D, et al
. Surveillance of Mosquitoes and Selected Arthropod-Borne Viruses in the Context of Milan EXPO 2015. Int J Environ Res Public Health. 2016;13: pubmed publisher
..In addition, the surveillance reported a low density of Culex spp. mosquitoes, which all tested negative for WNV. ..
Calzolari M, Chiapponi C, Bonilauri P, Lelli D, Baioni L, Barbieri I, et al
. Co-circulation of two Usutu virus strains in Northern Italy between 2009 and 2014. Infect Genet Evol. 2017;51:255-262 pubmed publisher
..These factors and the endemization of the Usutu virus in a large area of Europe, sustained by the obtained data, strongly support the need to adequately survey Usutu virus in areas in which its circulation is detected. ..