To identify DNA of the main tick-borne pathogens in dogs from Recife (Brazil), polymerase chain reactions were carried out on blood samples of dogs treated at the Veterinary Hospital of the Universidade Federal Rural de Pernambuco from March 2007 to June 2008. The detection of DNA was performed using specific primers. Amplicons were analyzed through electrophoresis and sequencing. A phylogenetic tree was constructed using the UPGMA method, revealing that the sequences were closely related to those of strains from other geographic regions. Among the 205 blood samples analyzed, 48.78% was positive for Anaplasma platys; 38.04% was positive for Ehrlichia canis; 7.31% was positive for Babesia canis vogeli; and 0.49% was positive for Hepatozoon canis and Mycoplasma haemocanis. Coinfection of two or three pathogens was found in 23.9% (49/205) of the dogs. The subspecies B. canis vogeli was identified. Infection by H. canis and M. haemocanis is reported for the first time in dogs in the state of Pernambuco (Brazil). The data indicate that the main tick-borne pathogens in dogs in this region are E. canis and/or A. platys, followed by B. canis vogeli.
RESUMO
ABSTRACT Introduction:The Amblyomma genus is widely distribution in Brazil and is important regarding the public health risk represented by the transmission of pathogens. Methods: This paper reports a case of parasitism in humans by Amblyomma sp that occurred in the City of Recife, State of Pernambuco. Results: Parasitism was observed in a woman where the ticks were attached to her legs and feet. Conclusions: This finding is unusual and is the first report of parasitism in humans by Amblyomma sp in State of Pernambuco.
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