Seroprevalence canine survey for selected vector-borne pathogens and its relationship with poverty in metropolitan Pereira, Colombia, 2020

D. Katterine Bonilla-Aldana, Erwin J. Gutiérrez-Grajales, J. Paola Martínez-Arboleda, María Angelica Reina-Mora, Adrián E. Trejos-Mendoza, Soffia Pérez-Vargas, Lorenzo Valencia-Mejía, Luisa F. Marín-Arboleda, Daniela Osorio-Navia, Mariana Chacón-Peña, Luz Victoria González-Colonia, Jaime A. Cardona-Ospina, Erika Vanessa Jiménez-Posada, Andrés Diaz, Jean Carlos Salazar, Manuel Sierra, Fausto Muñoz-Lara, Lysien I. Zambrano, Eduardo Ramírez-Vallejo, Juan Camilo ÁlvarezIngrid Lorena Jaramillo-Delgado, Samuel Pecho-Silva, Alberto Paniz-Mondolfi, Álvaro A. Faccini-Martínez, Alfonso J. Rodríguez-Morales

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Resumen

Background: Tick-borne diseases (TBD) and dirofilariosis are currently not under surveillance in most Latin American countries. In addition, there is a significant lack of studies describing the current situation in most endemic areas, including Colombia. Therefore, seroprevalence studies are crucial for understanding the epidemiology of these vector-borne diseases. Methods: A serosurvey for TBD and dirofilariosis among 100 dogs was carried out in the municipality of Pereira, located in the Coffee-Triangle region, Colombia. Samples were tested using a rapid assay test system (SNAP® 4Dx®); based on an enzyme immunoassay technique‚ screening for antibodies to Anaplasma phagocytophilum/platys (sensitivity 99.1%)‚ Borrelia burgdorferi s.l. (98.8%), and Ehrlichia canis/ewingii (96.2%) by using specific antigens and checking for Dirofilaria immitis antigen based on specific antibodies (99.2%). Bivariate analyses were performed on Stata®14, significant p < 0.05. Findings: Global seroprevalence to the selected vector-borne pathogens was 74% (95%CI 65–83%). The highest seroprevalence was found for E. canis/ewingii (74%), followed by A. phagocytophilum/platys (16%). Seropositivity for Borrelia spp. and Dirofilaria spp. was 0%. All Anaplasma spp. seropositive dogs showed co-detection of Ehrlichia spp. (16%). Seroprevalence was significantly higher among dogs from families of lower socioeconomic status/level (I, 86%), followed by level II (74%), and III (36%) (p = 0.001). All dogs exhibiting anorexia (12%) were invariably seropositive (100%) (p = 0.029). Seroprevalence was higher among those showing mucocutaneous paleness (95%) compared to those without paleness (68%) (p = 0.013) (OR = 9.3; 95%CI 1.18–72.9). There was high variability in seroprevalence through the studied areas, ranging from 0% (La Libertad Park) up to Combia, Cesar Nader, Las Brisas and Saturno localities (100%) (p = 0.033). Interpretation: Given the high seroprevalence obtained in an area with documented ticks, there is a potential risk of zoonotic transmission to humans. Further seroprevalence studies in humans are needed to assess the prevalence of infections. Poverty is highly associated with these tick-borne pathogens in Pereira, as shown in the present study.

Idioma originalInglés
Número de artículoe00249
PublicaciónParasite Epidemiology and Control
Volumen17
DOI
EstadoPublicada - may. 2022
Publicado de forma externa

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