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Title: Arbovirus surveillance: first dengue virus detection in local Aedes albopictus mosquitoes in Europe, Catalonia, Spain, 2015
Author: Aranda, Carles
Martínez Yoldi, Miguel Julián
Montalvo, Tomas
Eritja, Roger
Navero-Castillejos, Jessica
Herreros, Eva
Marqués, Eduard
Escosa, Raúl
Corbella, Irene
Bigas, Esther
Picart, Lluís
Jané, Mireia
Barrabeig i Fabregat, Irene
Torner Gràcia, Núria
Talavera, Sandra
Vázquez, Ana
Sánchez-Seco, Maria Paz
Busquets, Núria
Keywords: Malalties víriques
Virus diseases
Issue Date: 22-Nov-2018
Publisher: European Centre for Disease Prevention and Control (ECDC)
Abstract: Dengue has emerged as the most important viral mosquito-borne disease globally. The current risk of dengue outbreaks in Europe appeared with the introduction of the vector Aedes albopictus mosquito in Mediterranean countries. Considering the increasing frequency of dengue epidemics worldwide and the movement of viraemic hosts, it is expected that new autochthonous cases will occur in the future in Europe. Arbovirus surveillance started in Catalonia in 2015 to monitor imported cases and detect possible local arboviral transmission. During 2015, 131 patients with a recent travel history to endemic countries were tested for dengue virus (DENV) and 65 dengue cases were detected. Twenty-eight patients with a febrile illness were viraemic, as demonstrated by a positive real-time RT-PCR test for DENV in serum samples. Entomological investigations around the viraemic cases led to the detection of DENV in a pool of local Ae. albopictus captured in the residency of one case. The sequence of the DENV envelope gene detected in the mosquito pool was identical to that detected in the patient. Our results show how entomological surveillance conducted around viraemic travellers can be effective for early detection of DENV in mosquitoes and thus might help to prevent possible autochthonous transmission.
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It is part of: Eurosurveillance, 2018, vol. 23, num. 47, p. 1700837
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ISSN: 1560-7917
Appears in Collections:Articles publicats en revistes (ISGlobal)
Articles publicats en revistes (Medicina)

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