Background:
Leptospirosis is an important zooanthroponotic disease spread worldwide which
infection is recognized as a re-emergent disease. Leptospirosis is a systemic disease
of humans and domestic animals, mainly dogs, cattle and swine, characterized by
fever, renal and hepatic insufficiency, pulmonary manifestations and reproductive
failure. Objective:To
studythe
seroprevalence of anti-Leptospira antibodies in anurban
canine population. Materials and Methods: The study was performed in March 2014 in stray dogs
that had been captured in the districts of Coyoacan, Iztapalapa, Iztacalco and
Benito Juarez in Mexico City; 117 dogs were analyzed, from each of which 5 ml of
blood were obtained. Serology was performed using a MAT test (Microscopic
Agglutination Test), finding that the antigens corresponded to 13 serotypes of Leptospirainterrogans. Three age groups
were formed: Group 1) younger than a year (n=28),
Group 2) 1 to 6 years (n=75), and Group3) older than 6 years (n=14). Results: Of the analyzed sera, 28.2% were
seropositive to one or more Leptospiraserotypes, 74% of the positive seracoagglutinatedwith two or more serotypes. The most frequent
serotypes were: Canicola, Icterohaemorrhagiae and Portland-vere. Serotypes Canicola,
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