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Title: Prevalence of canine and human dirofilariosis in Puebla, Mexico
Authors: Zumaquero, Lino
Simón, Fernando
Carretón Gomez, Elena 
Hernández, Isabel 
Sandoval, César
Morchón, Rodrigo
UNESCO Clasification: 240112 Parasitología animal
32 Ciencias médicas
Keywords: Dirofilariaimmitispuebla
Heartworm Disease
Human Dirofilariosis
Issue Date: 2020
Journal: Veterinary Parasitology 
Abstract: The objective of this work was to determine the risk of exposure to Dirofilaria immitis in the stray dog population and people living in the metropolitan area of Puebla City, Mexico, using serologic methods. A total of 283 blood salmples were collected from dogs and 254 salmples from people. The canine samples were analyzed using a commercial kit to detect D. immitis antigens and the Knott test to detect microfilariae. Human samples were analyzed by ELISAs to detect antibodies against D. immitis and Wolbachia anti-WSP, as well as Western blot to identify specific bands of the parasite in the adult antigenic extract of D. immitis. Positive results were represented on a GIS map that included layers with geoenvironmental information relevant to parasite transmission in the study area. The prevalence of D. immitis in the canine stray population was 2.12 %, with positive cases found in individuals aged 1–10 years. Human seroprevalence was established at 5.11 %, with women and men similarly affected. By age, a significantly higher seroprevalence was observed in younger individuals (<18 years) than in the rest of the population. The geolocation of the results showed that positive cases were found in the environment (within 2 km) of potentially favorable areas for mosquito breeding. The importance of human influence in the creation and maintenance of favorable conditions for the transmission of canine and human dirofilariosis within an urban area is highlighted, both by the lack of environmental sanitation and by the absence of measures to limit or eliminate the canine reservoir population.
ISSN: 0304-4017
DOI: 10.1016/j.vetpar.2020.109098
Source: Veterinary Parasitology [ISSN 0304-4017], v. 282, (Junio 2020)
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