32 Epidemiological study.pmd
نویسندگان
چکیده
1School of Public Health and Institute of Public Health Research; 2Isfahan Training and Health Research Centre; 4Bandar Abbas Training and Health Research Centre; 5Yazd Training and Health Research Centre; Tehran University of Medical Sciences, Tehran, Islamic Republic of Iran. 3Department of Public Health, Sabzevar University of Medical Sciences, Sabzevar, Islamic Republic of Iran. ABSTRACT An outbreak of cutaneous leishmaniasis (CL) in Sabzevar county prompted this study of the epidemiology and the ecology of vectors and reservoirs. Examination of 541 schoolchildren showed rates of 9.4% for scars and 5.9% for ulcers. Among 807 inhabitants of 4 villages, 10.4% had scars and 3.0% had active lesions. The most highly infected age group was 0–4 years with a rate of 5.9%. A total of 12 849 sandflies representing 7 species were collected in the study area. Leptomonad infection was found in Phlebotomus papatasi, P. caucasicus and Sergentomyia sintoni. Parasites from man, P. papatasi and Rhombomys opimus, were isolated and characterized as Leishmania major. Based on this survey, this is an epidemic of zoonotic CL, with R. opimus the main reservoir host, and P. papatasi the main vector.
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