Leishmaniose canine dans le Rif (côte méditerranéenne marocaine) : enquête séro-épidémiologique (original) (raw)
A sero-epidemiological survey has been conducted in several localities of the province of Nador to investigate canine leishmaniasis in the NorthEastern slope of the Rif mountains (Mediterranean coast of Morocco). Serum samples collected from 257 dogs were analysed using indirect fluorescent antibody test (IFAT) and enzyme-linked immunosorbent assay (ELISA) to detect anti-Leishmania infantum antibodies. Forty eight (1 8.7 %) of the screened dogs were IFAT positive and 54 (21.0 %) were ELISA positive; the concordance of the two methods was 96.1 %. The prevalence of infection is significantly higher in dogs more than four years of age whereas no significant difference in prevalence of infection was seen between males and females. The frequent symptoms observed in seropositive dogs were the enlargement of lymph nodes (57.4 %), emaciation (51.9 %) and skin involvement (25.9 %). However, 38.9 % of those dogs showed no one of the major symptoms of visceral leishmaniasis. Leishmania isolated from three of the examined dogs was identified as L. infantum MON-1. These results show that the NorthEastern slope of the Rif mountains is one of the most active Mediterranean areas of visceral leishmaniasis and confirm that the dog is the main reservoir of L. infantum.
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