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Open AccessCommunication
Int. J. Environ. Res. Public Health 2016, 13(7), 689; doi:10.3390/ijerph13070689

Surveillance of Mosquitoes and Selected Arthropod-Borne Viruses in the Context of Milan EXPO 2015

1
Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna “Bruno Ubertini”, Brescia 25124, Italy
2
Regional Health Authority of Lombardy, Milan 20124, Italy
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 26 April 2016 / Revised: 27 June 2016 / Accepted: 5 July 2016 / Published: 8 July 2016
View Full-Text   |   Download PDF [460 KB, uploaded 8 July 2016]   |  

Abstract

From 1 May 2015 to 31 October 2015 over 20 million visitors from all over the world visited the Universal Exhibition (EXPO) hosted by Milan (Lombardy region, Italy), raising concerns about the possible introduction of mosquito-borne diseases from endemic countries. The entomological surveillance protocol performed in Lombardy over the last three years was implemented in the EXPO area and in the two major regional airports using both Center for Disease Control CO2 and Biogents Sentinel traps. This surveillance aimed to estimate the presence and densities of putative vectors, and also to support investigations, including the vector species involved and area of diffusion, on the local spread of Chikungunya, Dengue and West Nile viruses (WNV) by competent vectors. From 3544 mosquitoes belonging to five different species, 28 pools of Culex spp. and 45 pools of Aedes spp. were screened for the presence of WNV, and for both Chikungunya and flaviviruses, respectively. The entomological surveillance highlighted a low density of potential vectors in the surveyed areas and did not reveal the presence of Chikungunya or Dengue viruses in the local competent vectors inside the EXPO area or in the two airports. In addition, the surveillance reported a low density of Culex spp. mosquitoes, which all tested negative for WNV. View Full-Text
Keywords: EXPO 2015; entomological surveillance; mosquito-borne diseases; Chikungunya; Dengue; West Nile virus; Lombardy region EXPO 2015; entomological surveillance; mosquito-borne diseases; Chikungunya; Dengue; West Nile virus; Lombardy region
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chiari, M.; Calzolari, M.; Prosperi, A.; Perulli, S.; Faccin, F.; Avisani, D.; Cerioli, M.; Zanoni, M.; Tironi, M.; Bertoletti, M.; Defilippo, F.; Moreno, A.; Farioli, M.; Piatti, A.; Dottori, M.; Lelli, D.; Lavazza, A. Surveillance of Mosquitoes and Selected Arthropod-Borne Viruses in the Context of Milan EXPO 2015. Int. J. Environ. Res. Public Health 2016, 13, 689.

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