Vector-borne pathogens (VBPs) of dogs have been extensively studied worldwide, though scientific information for some countries, as is the case for Guatemala, is almost nonexistent. From 2012 to 2015, 975 dogs residing in different departments of Guatemala were sampled and screened using a rapid ELISA for detecting antigen of Dirofilaria immitis and antibodies against Anaplasma spp., Ehrlichia spp. and Borrelia burgdorferi. Out of 975 samples analyzed, 46.4% (n = 452) scored positive for at least one pathogen, with D. immitis being the most prevalent (29.7%), followed by Ehrlichia spp. (11.5%) and Anaplasma spp. (5.1%). None of the dogs were positive to B. burgdorferi. Co-infections were observed in 18.1% (n = 176) of dogs, with the simultaneous detection of D. immitis and Ehrlichia spp. being most common. The frequency of VBPs was higher in the department of Santa Rosa (southeast coast of Guatemala), which has a tropical savanna climate. In this region, 59.7% of the dogs surveyed were infected with D. immitis. Our results suggest that the prevalence of VBPs in dogs in Guatemala may be affected by the climate, with dogs living in the southeast coast being at higher risk, as compared to other regions studied. Increased awareness regarding the risk of VBPs in dogs in Guatemala is advocated and the adoption of preventive strategies should be encouraged.
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