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Climate change and potential distribution of zoonotic cutaneous leishmaniasis in Central Iran: Horizon 2030 and 2050

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Asian Pacific Journal of Tropical Medicine 2019年第5期12卷 204-215页

作者： Babak Shiravand Ahmad Ali Hanafi-Bojd Abbas Ali Dehghani Tafti Mohammad Reza Abai Ali Almodarresi Masoud Mirzaei Department of Health in Disasters and Emergencies School of Public Health Shahid Sadoughi University of Medical Sciences Department of Medical Entomology&Vector Control School of Public Health Tehran University of Medical Sciences Engineering College GIS&RS Department Yazd Branch Islamic Azad University Department of Epidemiology&Biostatistics School of Public Health Shahid Sadoughi University of Medical Sciences

Objective: To investigate and predict the effects of climate change on the potential distribution of the main vector and reservoir hosts of the disease in Yazd province in the ***: Distribution data for vector and reservoir hosts of zoonotic cutaneous leishmaniasis in Yazd province were obtained from earlier studies conducted in the *** ecological niche modeling was used to predict environmental ***-CSM1-1(m) model and two climate change scenarios, RCP 4.5 and RCP 8.5 were used for horizons 2030 and 2050 climate *** projections were based on data of a regional climate change ***: With both scenarios in 2030 and 2050, the results of jackknife test indicated that the mean temperature of wettest quarter and temperature annual range had the greatest effect on the model for the vector and the reservoir hosts, ***: The climate conditions are the major determinants of zoonotic cutaneous leishmaniasis incidence rate in Yazd *** climate conditions provide favorable habitats for ease transmission of zoonotic cutaneous leishmaniasis in this endemic *** suitability for the vector and reservoir will be expanding in the coming years compared with the current conditions, such that, in horizon 2030 & 2050, the probability of the presence of the vector and reservoir within 38 580 and 37 949 km^2, respectively, from Yazd province is above 60%.Moreover, an increase is predicted in the presence of the vector in the western parts and the reservoir in the northern and central parts of the province in the *** the role of environmental and bioclimatic factors in zoonotic cutaneous leishmaniasis occurrence can provide a guide for policy-makers in the creation and implementation of more effective policies for prevention and control.

关键词： Cutaneous leishmaniasis Climate change RCP scenario Phlebotomus papatasi Rhombomys opimus

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Molecular characterization of sandflies and Leishmania detection in main vector of zoonotic cutaneous leishmaniasis in Abarkouh district of Yazd province,Iran

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Asian Pacific Journal of Tropical Medicine 2013年第10期6卷 792-797页

作者： Jafari R Najafzadeh N Sedaghat MM Parvizi P National Institute of Health Research Isfahan Health Research Station Molecular Systematic Laboratory Parasitology DepartmentPasteur Institute of Iran Department of Microbiology Islamic Azad UniversityScience and Research Branch of Fars Department of Medical Entomology and Vector Control School of Public HealthTehran University of Medical Sciences

Ohjective:To assess molecular characterization,distribution,seasonal activities of sandfly species and Leishmania parasites infecting them for this zoonotic cutaneous leishmaniasis ***:The collections were carried out in 2009-2011 using CDC traps,Sticky Papers and manual aspirator in and around the villages in Abarkouh *** sandflies were characterized by PCR amplification and sequencing of fragments of their mitochondrial cytochrome b *** parasite infections within sandflies were performed by targeting Cyt b,ITS-rDNA,k-DNA and microsatellite ***:The PCR assays detected only Leishmania major(***).All infections(30)were found in the abundant and widespread vector Phlebolomus papalasi(***).Small numbers of other sandfly species were also screened for infections,but none was *** sinloni and *** were the predominant members in all locations of this district and in all habitats throughout the trapping *** five other sandfly species were found,namely Phlebolomus ansari,Phlebotomus caucasicus,Phlebotomus sergenti,Sergentomyia dentata and Sergentomyia ***:In the current survey,the only infections detected are of *** in females of ***(30 out of190).The rates of infection of *** by *** are not significantly different in compare with other locations in Iran with no diversity of parasite *** cutaneous leishmaniasis may have emerged only recently in Abarkouh district,and the reason may well be the instability of the transmission cycles there.

关键词： Zoonotic cutaneous leishmaniasis Phlebotomus papatasi Leishmania major Sandfly Central Iran

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