Seroprevalence of canine visceral leishmaniasis in asymptomatic dogs in Iran

Authors

B. Akhoundi Department of Parasitology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

F. Hosseini Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Shahrekord, Shahrekord, Iran

M. Hosseininejad Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Shahrekord, Shahrekord, Iran; Research Institute of Zoonotic Diseases, University of Shahrekord, Shahrekord, Iran

M. Mohebali Department of Parasitology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran

S. Karimi Department of Animal Sciences, Faculty of Agriculture, Tarbiyat Modaress University, Tehran, Iran

S. Sharifzad Department of Clinical Sciences, Faculty of Veterinary Medicine, University of Shahrekord, Shahrekord, Iran

Abstract:

Clinically infected dogs have been identified as the main reservoir hosts of visceral leishmaniasis (VL)caused by Leishmania infantum. Recently asymptomatic infected dogs were regarded to be as important asclinically ill dogs. This study was aimed to determine the seroprevalence of L. infantum infection amongasymptomatic dogs in the southwest and central parts of Iran and to investigate possible risk factorsassociated with this infection. 548 serum samples were collected from dogs in three Iranian provinces andsubjected to direct agglutination test (DAT) in dilutions of 1:80 to 1:20480. Fifty three (9.67%) of the dogshad detectable anti-L. infantum antibodies at dilutions of ≥1:80. Living status of the dogs (household or free roaming) was a potential risk factor for the infection; seroprevalence was significantly higher in free roaming dogs (P

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