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Title: Expansion of Canine Heartworm in Spain
Authors: Montoya Alonso, José Alberto 
Morchon Garcia, Rodrigo 
García Rodríguez, Sara Nieves 
Falcón Cordón, Yaiza 
Costa Rodríguez, Noelia 
Matos Rivero, Jorge Isidoro 
Rodríguez Escolar, Iván
Carretón Gómez, Elena 
UNESCO Clasification: 310904 Medicina interna
240112 Parasitología animal
Keywords: Dirofilaria immitis
Antigen tests
Issue Date: 2022
Journal: Animals 
Abstract: The climate of Spain has favourable characteristics for the development of D. immitis in dogs, being an endemic country. Given that vector-borne diseases are spreading rapidly through Europe, due to factors such as climate change, the expansion of vectors and the increased mobility of reservoir animals, the aim was to update the epidemiology of heartworm in dogs and analyse the results based on climate and other epidemiological and geo-environmental factors. To this aim, 9543 blood samples from dogs from all provinces and autonomous cities of Spain were analysed for the detection of antigens of D. immitis, obtaining a prevalence of 6.47%. The northwestern and southern provinces showed the highest prevalences, as well as in the Balearic and Canary Islands. Prevalences were higher in dogs outdoors. Furthermore, most of the positive dogs were found in regions with high humidity and water availability. This study shows, for the first time, positive cases in provinces and islands where no cases had previously been described and demonstrates the continuous expansion and consolidation of heartworm in Spain. Considering its zoonotic character, the implementation of control and awareness programmes for the prevention of D. immitis in pets is necessary
ISSN: 2076-2615
Source: Animals [EISSN 2076-2615], v. 12 (10), 1268
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