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Prevalence of larval breeding sites and seasonal variations of aedes aegypti mosquitoes (Diptera: Culicidae) in makkah al-mokarramah, saudi arabia

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posted on 2021-08-09, 05:19 authored by EOM Ali, AO Babalghith, AOS Bahathig, FHS Toulah, TG Bafaraj, SMY Al-Mahmoudi, AMF Alhazmi, Abdel-Latif MohamedAbdel-Latif Mohamed
Since 1994, dengue fever (DF) transmission rates have increased significantly in Saudi Arabia (KSA). Climatic, geographic, and demographic conditions make KSA especially suitable for DF’s spread. Still, there are insufficient strategies for controlling the Aedes species that transmit DF virus (DENV). To develop effective management strategies, it is necessary to identify Aedes species and the ecological habitat of larvae in Makkah Al-Mokarramah, KSA. We conducted a longitudinal survey of Aedes mosquitoes in 14 localities from January 2015 to December 2015. World Health Organization (WHO) inspection kits for larvae were used to detect and sample larvae, along with pictorial keys. A total of 42,981 potential Aedes larval breeding sites were surveyed. A total of 5403 (12.6%) sites had at least one water source positive for Aedes aegypti (Linnaeus) mosquitoes. Among the total of 15,133 water sources surveyed within the sampled sites, 1815 (12.0%) were positive for Aedes aegypti. Aedes aegypti was the only Aedes species identified in the course of the survey. The presence of such a large immature population may indicate an imminent outbreak of DF in the near future unless proper implementation of control and elimination of Aedes aegypti are undertaken. Additionally, the adaptation of Aedes aegypti to the arid climate of Makkah needs further investigation.


This study was funded by the Scientific Research and Revival of Islamic Heritage at Umm Al-Qura University (project #43409019).


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International Journal of Environmental Research and Public Health





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