Progressive Invasion of in Northern Spain in The Period 2013-2018 and A Possible Association with the Increase in Insect Bites.

Int J Environ Res Public Health

Animal Health Department. NEIKER-Instituto Vasco de Investigación y Desarrollo Agrario, Bizkaia Science and Technology Park 812L, 48160 Derio, Bizkaia, Spain.

Published: March 2020

1) Background: has rapidly expanded throughout Europe, becoming a public health concern in the Mediterranean Basin. 2) Methods: Following the detection of in the southwestern French region of Aquitaine in 2012, an entomological surveillance programme was implemented in the Basque Country (Northern Spain) in 2013. 3) Results: eggs were first detected in 2014 in a transited parking area in the northeastern sampling point, 22 km away from the nearest French site with recorded presence of tiger mosquito. At this site, eggs were found throughout the study (2014-2018). Other western and southern municipalities became positive in 2017 and 2018. adults were first captured in 2018 by aspiration of the vegetation in an area where eggs had been detected since 2015, suggesting a progressive establishment of a self-sustained population. Incidence of insect bites in humans was roughly constant over the study period except for a significant increase in 2018 in the Health County where eggs had been detected since 2014. Densities of eggs in positive areas remained at similar levels over the years. 4) Conclusion: Multiple approaches and standardized methods are necessary to successfully control this vector.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7084620PMC
http://dx.doi.org/10.3390/ijerph17051678DOI Listing

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