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首页> 中文期刊> 《亚太热带生物医学杂志：英文版》 >Household survey of container-breeding mosquitoes and climatic factors influencing the prevalence of Aedes aegypti(Diptera:Culicidae) in Makkah City,Saudi Arabia

Household survey of container-breeding mosquitoes and climatic factors influencing the prevalence of Aedes aegypti(Diptera:Culicidae) in Makkah City,Saudi Arabia

         
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cqvip:Objective:To investigate the prevalence of container breeding mosquitoes with emphasis on the seasonality and larval habitats of Aedes aegypti(Ae.aegypti) in Makkah City,adjoining an environmental monitoring and dengue incidence.Methods:Monthly visits were performed between April 2008 and March 2009 to randomly selected houses.During each visit,mosquito larvae were collected from indoors and outdoors containers by either dipping or pipetting. Mosquitoes were morphologically identified.Data on temperature,relative humidity,rain/ precipitations during the survey period was retrieved from governmental sources and analyzed. Results:The city was warmer in dry season(DS) than wet season(WS).No rain occurred at all during DS and even precipitations did fall,wetting events were much greaterduring WS.Larval survey revealed the co-breeding of Aedes,Culex and Anopheles in a variety of artificial containers in and around homes.32109 larvae representing 1st,2nd,3rd,and 4th stages were collected from 22618 container habitats.Culicines was far the commonest and Aedes genus was as numerous as the Culex population.Ae.aegypti larval abundance exhibited marked temporal variations,overall, being usually more abundant during WS.Ten types of artificial containers were found with developing larvae.70%of these habitats were located indoors.71.42%of indoor containers were permanent and 28.58* was semi-permanent during WS.Cement tanks was the only container type permanent during DS.Ae.aegypti larval indices(CI,HI,Bl) recorded were greater during WS. Conclusions:Taken together,these results indicate a high risk of dengue transmission in the holy city.

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