Epidemiological aspects and risk factors for infection by Leishmania infantum chagasi in dogs from municipality of Petrolina, Northeastern Brazil

Araujo, Andreina C.; Costa, Andréa Pereira da; Silva, Ivo W.G.; Matos, Nara Nagle Vieira Gonçalves; Dantas, A.C.S.; Ferreira, Fernando; Marcili, Arlei; Horta, Maurício Cláudio

doi:10.1016/j.vprsr.2016.07.001

Cited by 8 publications

(25 citation statements)

References 74 publications

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“…Picon et al (2020) determined 12% of visceral leishmania in dogs in the Tolima and Huila Departments. Also, our data differ from what was reported from Brazil with 10.3, 11.3, 23, and 37.3% IgG antibodies for L. infantum chagasi in dogs (Queiroz et al 2009;Barbosa et al 2015;Araujo et al 2016;Fujimori et al 2016). The local epidemiology of visceral leishmaniasis might differ widely as this difference may be associated with environmental changes, population migration, urbanization, and rural exodus.…”

Section: Discussioncontrasting

confidence: 99%

“…In Argentina, L. infantum was observed in a 6.2% of dogs (Acosta et al 2015;Barroso et al 2015). In Petrolina and Jequié, in the state of Bahia, Brazil, the seroprevalence of L. infantum was associated with the animal gender, breed, age group, and hair length (Moreira et al 2003;Queiroz et al 2009;Pacheco et al 2013;Barbosa et al 2015;Araujo et al 2016;Fujimori et al 2016). In Venezuela, L. infantum was found in 2.1% of dogs by PCR detection (Feliciangeli et al 2005;Rivas et al 2020).…”

Section: Introductionmentioning

confidence: 99%

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Seroprevalence and Risk Factors of Leishmania infantum in Canine Shelters in Bucaramanga Metropolitan Area and Barrancabermeja, Andean Region Santander, Colombia

2022

Int J Vet Sci

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Leishmaniasis is a protozoan disease caused by Leishmania spp. and transmitted by sand-flies to different hosts. In Colombia, Leishmania has been reported in dogs from rural and urban areas. The aims of the investigation were to define the risk factors of Leishmania infantum (L. infantum) in canine shelters in municipalities of the Bucaramanga metropolitan area, and Barrancabermeja municipality, and to determine the seroprevalence for L. infantum. An observational study was carried out. The samples were analyzed with ELISA antibody anti-L. infantum (n=282). Epidemiological data about the risk factors were achieved by conducting a survey in these dog shelters (14 questions). The data were analyzed to determine the association between the variables under study and the results of the ELISA test. The seroprevalence of L. infantum was 4.3% in the Bucaramanga metropolitan area and zero (0/48) in Barrancabermeja. The dogs sleeping outdoor was associated with the odds for Leishmania in Bucaramanga (P=0.04). We have demonstrated the seroprevalence of L. infantum in canine shelters in the Bucaramanga metropolitan area, possibly by the high contact of dogs with Lutzomyia spp. vectors. This data may help to identify risk factors in similar geographical areas, assisting to design new control strategies.

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Section: Discussioncontrasting

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Seroprevalence and Risk Factors of Leishmania infantum in Canine Shelters in Bucaramanga Metropolitan Area and Barrancabermeja, Andean Region Santander, Colombia

2022

Int J Vet Sci

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“…The display of different epizootiological profiles of CanL throughout a country is expected, as noted in other enzootic areas [ 20 ]. This pattern is attributed to a plethora of factors, such as the diverse geographical and climatic or socioeconomic conditions of different areas, as well as the presence of canine and vector populations [ 42 ].…”

Section: Discussionmentioning

confidence: 99%

“…Contrary to our study, other research groups [ 7 , 55 , 56 , 57 ] have revealed a significantly higher seroprevalence in male dogs compared to female ones. This finding has been attributed to the immunomodulating properties of testosterone in dogs that result in different host immune responses between genders and, therefore, influence the resistance or susceptibility to infection [ 58 ], as well as to the fact that male dogs roam more than females [ 42 ].…”

Section: Discussionmentioning

confidence: 99%

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Canine Leishmaniosis in Greece: An Updated Countrywide Serological Study and Associated Risk Factors

et al. 2021

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Canine leishmaniosis (Leishmania infantum) is a zoonotic disease that affects dogs worldwide. Greece is enzootic for this disease, and updated data for its current distribution are of major importance. The aim of this cross-sectional serological study was primarily to update the current knowledge of Leishmania infantum seropositivity status within the asymptomatic Greek canine population and, furthermore, to assess the possible climatological and other risk factors. In total, sera of 1265 asymptomatic dogs were collected from all prefectures of the country. A questionnaire that included all individual dog information was completed for all animals. The Speed Leish K® canine Leishmania antibody test kit (BVT Groupe Virbac, France) was employed. Potential risk factors were evaluated utilizing logistic regression models. Overall, 13.8% (n = 175) of the sampled dogs were seropositive to Leishmania infantum originating from all geographical departments of the country, whereas most prefectures had at least one seropositive animal. Outdoor living, high mean humidity, low mean wind speed and high total annual rainfall were found to increase the seropositivity status against the parasite. Conclusively, Leishmania infantum remains a common parasite challenge in the asymptomatic canine population of Greece, and therefore, its early diagnosis and effective prevention are significant in the country.

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Molecular detection of visceral leishmaniasis in dogs from Barão de Melgaço, Pantanal region of Mato Grosso, Brazil

et al. 2021

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The increasing expansion of visceral leishmaniasis (VL) in the Brazilian territory evidences the need for studies focused on the main reservoir of this parasite: the dog. This study aimed to conduct an epidemiological survey in the municipality of Barão de Melgaço, Pantanal region of the state of Mato Grosso (MT), Brazil. Conventional polymerase chain reaction (PCR) and qualitative SYBR®Green real-time PCR (qPCR) were used to diagnose canine VL (CVL) and characterize the factors associated with this infection. Of the 402 dogs that had blood samples collected, 31 presented the parasite DNA, representing a prevalence of 7.71% in the population studied. Positivity indices for PCR and qPCR were 3.48 (14/402) and 7.21% (29/402), respectively. Comparison of the results obtained by both techniques showed moderate agreement (Kappa = 0.5364). Of the independent variables analyzed, presence of clinical signs (p≤0.05) was the only one associated with CVL. Based on this study, we conclude that VL is a circulating disease, with relatively low prevalence, in dogs of Barão de Melgaço/MT, and that the presence of clinical signs is the only variable associated with canine infection.

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Epidemiological aspects and risk factors for infection by Leishmania infantum chagasi in dogs from municipality of Petrolina, Northeastern Brazil

Cited by 8 publications

References 74 publications

Seroprevalence and Risk Factors of Leishmania infantum in Canine Shelters in Bucaramanga Metropolitan Area and Barrancabermeja, Andean Region Santander, Colombia

Seroprevalence and Risk Factors of Leishmania infantum in Canine Shelters in Bucaramanga Metropolitan Area and Barrancabermeja, Andean Region Santander, Colombia

Canine Leishmaniosis in Greece: An Updated Countrywide Serological Study and Associated Risk Factors

Molecular detection of visceral leishmaniasis in dogs from Barão de Melgaço, Pantanal region of Mato Grosso, Brazil

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