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Memórias do Instituto Oswaldo Cruz
Fundação Oswaldo Cruz, Fiocruz
ISSN: 1678-8060
EISSN: 1678-8060
Vol. 109, No. 3, 2014, pp. 299-306
Bioline Code: oc14041
Full paper language: English
Document type: Research Article
Document available free of charge

Memórias do Instituto Oswaldo Cruz, Vol. 109, No. 3, 2014, pp. 299-306

 en Ecology of cutaneous leishmaniasis in Sinai: linking parasites, vectors and hosts
Samy, Abdallah Mohammed; Doha, Said Abdallah & Kenawy, Mohamed Amin

Abstract

Cutaneous leishmaniasis (CL) is a neglected clinical form of public health importance that is quite prevalent in the northern and eastern parts of Egypt. A comprehensive study over seven years (January 2005-December 2011) was conducted to track CL transmission with respect to both sandfly vectors and animal reservoirs. The study identified six sandfly species collected from different districts in North Sinai: Phlebotomus papatasi check for this species in other resources , Phlebotomus kazeruni check for this species in other resources , Phlebotomus sergenti check for this species in other resources , Phlebotomus alexandri check for this species in other resources , Sergentomyia antennata check for this species in other resources and Sergentomyia clydei check for this species in other resources . Leishmania (-)-like flagellates were identified in 15 P. papatasi individuals (0.5% of 3,008 dissected females). Rodent populations were sampled in the same districts where sandflies were collected and eight species were identified: Rattusnorvegicus check for this species in other resources (n = 39), Rattus rattus frugivorous check for this species in other resources (n = 13), Rattus rattus alexandrinus check for this species in other resources (n = 4), Gerbillus pyramidum floweri check for this species in other resources (n = 38), Gerbillus andersoni check for this species in other resources (n = 28), Mus musculus check for this species in other resources (n = 5), Meriones sacramenti check for this species in other resources (n = 22) and Meriones crassus check for this species in other resources (n = 10). Thirty-two rodents were found to be positive for Leishmania infection (20.12% of 159 examined rodents). Only Leishmania major was isolated and identified in 100% of the parasite samples. The diversity of both the vector and rodent populations was examined using diversity indices and clustering approaches.

Keywords
sandfly; Phlebotomus; leishmaniasis; Leishmania major; Sinai; Egypt

 
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