Canine monocytic ehrlichiosis in Buenos Aires metropolitan area
DOI:
https://doi.org/10.14409/favecv.2023.22.e0027Keywords:
Ehrlichia canis, dogs, Buenos AiresAbstract
Canine monocytic ehrlichiosis (CME) is a tick-borne disease caused by Ehrlichia canis. This work aimed to molecularly confirm E. canis in dogs and to determine the seasonal and spatial distribution. Blood samples from dogs with suspected CME from the Buenos Aires Metropolitan Area (BAMA) were studied. The samples were initially analyzed with a PCR to detect family Anaplasmataceae and the positives were subjected to a species-specific PCR. Between February 2016 and January 2017, 77.6% (n=268) of the samples were positive for E. canis. The number of positives in Greater Buenos Aires (GBA) was higher than in the Buenos Aires City (BAC). Both GBA and CABA the highest percentage of positivity corresponded to November, January and March. This work corroborates data from other studies that have reported the presence of E. canis in dogs with clinical signs compatible with CME. Moreover, the seasonality and the largest number of positive samples registered in GBA constitute a relevant contribution to knowledge about the epidemiology of CME in Argentina.
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