Peer-reviewed veterinary case report
Canine visceral leishmaniasis case study in Jacare Niteroi Brazil
By Amanda Codeço de OLIVEIRA et al.·Published in Revista do Instituto de Medicina Tropical de São Paulo·2015·View original on DOAJ →
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Original publication title: CANINE VISCERAL LEISHMANIASIS CASE INVESTIGATION IN THE JACARE REGION OF NITEROI, RIO DE JANEIRO, BRAZIL
- Species:
- dog
Plain-English summary
A group of dogs in Jacaré, Niterói, Brazil, were tested for canine visceral leishmaniasis (CVL), a serious disease spread by infected insects. Out of 110 dogs examined, 17 were found to have CVL, which is about 15.5% of the group. The study showed that dogs with clinical signs of illness, those living with other infected dogs, and those with parasites on their skin were more likely to test positive for the disease. This indicates that CVL is actively spreading in the area, and pet owners should be aware of the symptoms and risks associated with this disease.
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Abstract
SUMMARY American visceral leishmaniasis is a vector-borne zoonosis in expansion in Brazil. Dogs are the main urban reservoir. Departing from a case of canine visceral leishmaniasis (CVL) in Jacaré, Niterói, Rio de Janeiro State, an epidemiological canine and entomological study was performed to assess the extension of the disease at the location. Sample was collected around the case and the dogs identified by serological tests (rapid double platform immunochromatographic exams, immunoenzymatic assay/ELISA, indirect immunofluorescence/IFAT). The parasitological diagnosis was performed in animals positive in at least one of these tests. The entomological study was carried out by using light traps and manual collection. The associations between canine variables and outcome (ELISA and IFAT reagents) were assessed by the chi-square test and adjusted by multivariate logistic regression for those associations with p < 0.1 in the bivariate analysis. Seventeen cases of CVL were detected among 110 evaluated dogs (prevalence of 15.5%). Presence of ectoparasites (OR 6.5; 95% CI 1.1-37.4), animals with clinical signs (OR 9.5; 95% CI 1.2-76.6), and previous cases of CVL in the same house (OR 17.9; 95% CI 2.2-147.1) were associated with the outcome. Lutzomyia longipalpiswas not detected. Our results are indicative of an ongoing transmission in the area.
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Search related cases →Original publication on DOAJ: https://doi.org/10.1590/S0036-46652015000400009