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1Fauna and some biological characteristics of Anopheles mosquitoes(Diptera:Culicidae) in Kalaleh County,Golestan Province,northeast of Iran显示文摘Objective:To determine fauna and some ecological aspects of Anopheles mosquitoes in northeast of Iran.Methods:In this descriptive study,3 villages in Kalaleh County were selected in different geographical zones.Anopheles mosquitoes were collected biweekly from May to October using standard dipping method for larvae,and hand catch,total catch,artificial pit shelter as well as night-biting collections on human and animal baits for adults.Results:Totally 399 larvae and 2 602 adults of Anopheles mosquitoes were collected and identified as 2 species:Anopheles superpictus s.l.(An.superpictus s.l.) and Anopheles maculipennis s.l.The dominant species was An.superpictus s.l.(92.1%).Activity of these mosquitoes found to be started from middle of May and extended till September with two peaks of activity in July and August.Conclusions:An.superpictus s.l.as one of the main malaria vectors in Iran as well as some other parts of the world is the dominant species in the study area.This species has high potential for transmission and possibility of establishing a transmission cycle with low abundance.Other species,Anopheles maculipennis s.l.also has introduced as a malaria vector in northern parts of Iran.As this Anopheles is a complex species,genetic studies are recommended to determine the members of this complex in the study area.Aioub Sofizadeh Hamideh Edalat Mohammad Reza Abai Ahmad Ali Hanafi-Bojd 2016Asian Pacific Journal of Tropical Biomedicine2016,6,9:0
2Prevalence of refractive errors among primary school children in a tropical area,Southeastern Iran显示文摘Objective: To determine the prevalence of refractive errors among primary school children in Zahedan District, Southeastern Iran, as a tropical area.Methods: In this cross sectional study, a total of 400 students were selected randomly using multi-stage sampling technique. Myopia was defined as spherical equivalent(SE)of-0.5 diopter(D) or more, hyperopia was defined as SE of +2.00 D or more and a cylinder refraction greater than 0.75 D was considered astigmatism. Anisometropia was defined as a difference of 1 D or more between two eyes. Cycloplegic refractive status was measured using auto-refractometer(Topcon 8800). Data were analyzed using SPSS,version 22 software program.Results: Mean ± SD of SE was(1.71 ± 1.16) D. A total of 20 students [6.3%, 95%confidence interval(CI): 3.96%–9.64%] were myopic(-0.5 D), 186 students(58.1%,95% CI: 52.50%–63.56%) were hyperopic( +2.00 D) and 114 students(35.6%, 95%CI: 30.43%–41.18%) were emmetropic. The prevalence of astigmatism( 0.75 D)among students was 3.4%(95% CI: 1.82%–6.25%). Anisometropia of 1 D or more was found in 21.3%(95% CI: 16.98%–26.23%) of the studied population. The prevalence of refractive errors was higher among girls than boys(73.1% vs. 55.6%, P = 0.001), but it was not significantly different among different age groups(P = 0.790).Conclusions: Refractive errors affect a sizable portion of students in Zahedan. Although myopia is not very prevalent, the high rate of hyperopia in the studied population emphasizes its need for attention.Monireh Mahjoob Samira Heydarian Jalil Nejati Alireza Ansari-Moghaddam Nahid Ravandeh 2016Asian Pacific Journal of Tropical Biomedicine2016,6,2:0
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