scholarly journals Indoor and Outdoor House Inspection Coupled with Community Mobilization Impact on Decreased Aedes Aegypti Entomological Indices during ChikngunyaDengue Outbreak Containment in Affected Localities of Kassala and Red Sea States, 2018-2019

2020 ◽  
Vol 2 (1) ◽  

Aedes aegypti is an important vector for dengue virus infection. Apart from dengue virus, Aedes aegypti is also the vector for transmission of other viruses presenting serious public health threats: chikungunya, and yellow fever. The present paper aimed to assess the impact of indoor and outdoor house inspection coupled with community mobilization on decreased Aedes aegypti entomological indices during Chikungunya-Dengue Outbreak containment in affected Localities of Kassala and Red Sea States, 2018-2019. The survey was conducted in Kassala and Red Sea State during outbreak of chikungunya and dengue. The survey was performed in the affected localities by dividing the localities into seven-day blocks from Saturday to Friday. All dwellings of each block were thoroughly checked by health promoters on the specific day. The sufficient numbers of promoters were available to cover all the houses in the affected areas. The study revealed that the reduction in house index from baseline in Kassala state was reduced by 90.4% in week 7. While the House index was reduced from baseline in Red Sea Sate by 87.1% in week 14. For container index it was reduced by 89.6% in Kassala State in week 7 compared to 89.0% in Red Sea State in week 14. The study concluded that indoor and outdoor inspection coupled with community mobilization has impact on reduced of Aedes aegypti indices mainly house index and container index.

Author(s):  
Panpim Thongsripong ◽  
Dawn M Wesson

Abstract Dengue virus infection, transmitted via mosquito bites, poses a substantial risk to global public health. Studies suggest that the mosquito’s microbial community can profoundly influence vector-borne pathogen transmissions, including dengue virus. Ascogregarina culicis (Ross) of the phylum Apicomplexa is among the most common parasites of Aedes aegypti (Linnaeus), the principal vector of dengue. Despite a high prevalence worldwide, including in the areas where dengue is endemic, the impact of A. culicis on Ae. aegypti vector competence for dengue virus is unknown. This study aimed to investigate the effects of A. culicis infection on mosquito size and fitness, as measured by wing length, and the susceptibility to dengue virus infection in Ae. aegypti. Our results showed that there was no statistically significant difference in wing lengths between Ae. aegypti infected and not infected with A. culicis. Furthermore, A. culicis infection did not significantly affect dengue virus infection or disseminated infection rate. However, there was a significant association between shorter wings and higher dengue virus infection rate, whereby a 0.1-mm increase in wing length decreased the odds of the mosquito being infected by 32%. Thus, based on our result, A. culicis infection does not influence the body size and dengue virus infection in Ae. aegypti. This study helps to shed light on a common but neglected eukaryotic mosquito parasite.


Author(s):  
Nurul Qamila ◽  
Agel Vidian Krama

Dengue hemorrhagic fever (DHF) is a contagious disease caused by the dengue virus and is transmitted by the mosquito Aedes aegypti (Aa.aegypti). The population is still a public health problem that increases the number of sufferers and also widespread, with population and education. This study aims to reveal the spatial pattern and distribution of Dengue Hemorrhagic Fever (DHF) with the spatial pattern and the spread of Dengue Hemorrhagic Fever (DHF) can result in different locations of these allegations. From the map that can be used for the prevention of Dengue Hemorrhagic Fever (DBD) in Bandar Lampung City. This study aims to reveal the spatial pattern and distribution of Dengue Hemorrhagic Fever (DHF) with the descriptive method and spatial pattern of Dengue Hemorrhagic Fever (DHF) can result in different locations of these allegations. From the map that can be used for the prevention of Dengue Hemorrhagic Fever (DBD) in Bandar Lampung City. Keywords: DHF, Spatial Analysis


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