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Risk factors and prediction analysis of cutaneous leishmaniasis due to Leishmania tropica in Southwestern Morocco.
El Alem, Mohamed Mahmoud Mohamed; Hakkour, Maryam; Hmamouch, Asmae; Halhali, Meryem; Delouane, Bouchra; Habbari, Khalid; Fellah, Hajiba; Sadak, Abderrahim; Sebti, Faiza.
Afiliación
  • El Alem MMM; Laboratory of Zoology and General Biology, Faculty of Sciences, Mohammed V University in Rabat, Morocco; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco. Electronic address: medalem44@yahoo.fr.
  • Hakkour M; Laboratory of Zoology and General Biology, Faculty of Sciences, Mohammed V University in Rabat, Morocco; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco.
  • Hmamouch A; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco; Laboratory of Microbial Biotechnology, Sciences and Techniques Faculty, Sidi Mohammed Ben Abdellah University, Fez, Morocco.
  • Halhali M; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco.
  • Delouane B; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco.
  • Habbari K; Faculty of Sciences and Technics, University Sultan Moulay Slimane, Béni Mellal, Morocco.
  • Fellah H; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco.
  • Sadak A; Laboratory of Zoology and General Biology, Faculty of Sciences, Mohammed V University in Rabat, Morocco.
  • Sebti F; National Reference Laboratory of Leishmaniasis, National Institute of Hygiene, Rabat, Morocco.
Infect Genet Evol ; 61: 84-91, 2018 07.
Article en En | MEDLINE | ID: mdl-29578084
Cutaneous leishmaniasis is currently a serious public health problem in northern Africa, especially in Morocco. The causative parasite is transmitted to a human host through the bite of infected female sandflies of the genus Phlebotomus. The objective of the present study is to characterize the causative organisms and to predict the risk of cutaneous leishmaniasis (CL) cases in six provinces in southwestern Morocco, based on the spatial distribution of cases in relation to environmental factors and other risk factors such as socio-economic status and demographics. A molecular study was carried out using ITS1 PCR-RFLP method of the ribosomal DNA of Leishmania. An epidemiological study on CL cases was reported between 2000 and 2016 in this current investigation in six provinces in southwestern Morocco. Statistical analysis was performed using a linear regression model to identify the impact as well as the interaction between all predictor variables on the distribution of CL in the studied provinces. The forecast Holt-Winters (HW) method was used to describe the trend and seasonality of CL cases. The ITS1-PCR- RFLP analysis revealed the presence of Leishmania tropica in all studied provinces. The spatial distribution of CL cases documented in all studied provinces during the sixteen years showed a heterogeneous pattern and fluctuation trend with an average prevalence of 9.92 per 100,000 inhabitants. In addition, the forecast HW model predicts continued variability of trend and seasonality of CL cases in the upcoming years. This study confirmed the importance of socioeconomic factors, in particular poverty and the vulnerability rate, on distribution and emergence of CL. This study revealed a relationship between increasing risk of CL occurrence due to Leishmania tropica, as well as the distribution and emergence thereof, and socioeconomic factors in the investigated area.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Leishmania tropica / Leishmaniasis Cutánea Tipo de estudio: Etiology_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Límite: Humans País/Región como asunto: Africa Idioma: En Revista: Infect Genet Evol Asunto de la revista: BIOLOGIA / DOENCAS TRANSMISSIVEIS / GENETICA Año: 2018 Tipo del documento: Article Pais de publicación: Países Bajos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Leishmania tropica / Leishmaniasis Cutánea Tipo de estudio: Etiology_studies / Prevalence_studies / Prognostic_studies / Risk_factors_studies Límite: Humans País/Región como asunto: Africa Idioma: En Revista: Infect Genet Evol Asunto de la revista: BIOLOGIA / DOENCAS TRANSMISSIVEIS / GENETICA Año: 2018 Tipo del documento: Article Pais de publicación: Países Bajos