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Effectiveness of indoor residual spraying on malaria control: a systematic review and meta-analysis

Infectious Diseases of Poverty 2022年第4期11卷 29-42页

作者： Yiguo Zhou Wan-Xue Zhang Eljah Tembo Ming-Zhu Xie Shan-Shan Zhang Xin-Rui Wang Ting-Ting Wei Xin Feng Yi-Lin Zhang Juan Du Ya-Qiong Liu Xuan Zhang Fuqiang Cui Qing-Bin Lu Department of Laboratorial Science and Technology&Vaccine Research Center School of Public HealthPeking UniversityNo.38Xueyuan RoadHaidian DistrictBeijing 100191People's Republic of China Department of Public Health Emergency Management School of Public HealthPeking UniversityBejing 100191People's Republic of China institute for Hospital Management Research Chinese PLA General HospitalBeijing 100039People's Republic of China Global Center for Infectious Disease and Policy Research&Global Health and Infectious Diseases Group Peking UniversityBeijing 100191People's Republic of China

Background:indoor residual spraying(IRS)is one of the key interventions recommended by World Health Organization in preventing malaria *** aimed to conduct a systematic review and meta-analysis of global studies about the impact of IRS on malaria ***:We searched PubMed,Web of Science,Embase,and Scopus for relevant studies published from database establishment to 31 December ***-effects models were used to perform meta-analysis and subgroup analysis to pool the odds ratio(OR)and 95%confidence interval(CI).Meta-regression was used to investigate potential factors of heterogeneity across ***:Thirty-eight articles including 81 reports and 1,174,970 individuals were included in the *** was associated with lower rates of malaria infection(OR=0.35,95%CI:0.27-0.44).The significantly higher effectiveness was observed in IRS coverage≥80%than in IRS coverage<80%.Pyrethroids was identified to show the greatest performance in malaria *** addition,higher effectiveness was associated with a lower gross domestic product as well as a higher coverage of IRS and bed net ***:IRS could induce a positive effect on malaria infection *** high IRS coverage and the use of pyrethroids are key measures to reduce malaria *** efforts should focus on increasing IRS coverage,developing more effective new insecticides against malaria,and using multiple interventions comprehensively to achieve malaria control goals.

关键词： indoor residual spraying Malaria Meta-analysis Effectiveness evaluation

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Effect of Bendiocarb (Ficam<sup>®</sup>80% WP) on Entomological Indices of Malaria Transmission by indoor residual spraying in Burkina Faso, West Africa

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Advances in Entomology 2020年第4期8卷 158-178页

作者： Aristide Sawdetuo Hien Dieudonné Diloma Soma Simon Pengwende Sawadogo Serge Bèwadéyir Poda Moussa Namountougou Georges Anicet Ouédraogo Abdoulaye Diabaté Roch Kounbobr Dabiré Institut de Recherche en Sciences de la Santé Direction Regionale Bobo-Dioulasso Burkina Faso Université Polytechnique de Bobo-Dioulasso Bobo-Dioulasso Burkina Faso

Context: The vector control is essential in malaria prevention strategies in several endemic countries in Africa including Burkina Faso. The high transmission of malaria occurs during the period of high vector abundance (August to October) in Burkina Faso. Therefore, a vector control strategy based on the use of indoor residual spraying targeting this period should provide effective protection against malaria. This study aimed to evaluate the effect of bendiocarb applied in indoor residual spraying on entomological parameters of malaria transmission in a pyrethroid resistance area in southwestern, Burkina Faso. Methods: CDC light trap and early morning collections by pyrethrum spray catches were performed monthly to determine the change in entomological parameter within malaria vector in sprayed (Diebougou) and unsprayed sites (Dano). The female’s malaria vectors collected by both methods were used to determine their blood feeding pattern, biting and sporozoites rates as well as the malaria transmission risk estimated by entomological inoculation rate. Results: A total of 26,276 mosquitoes (13,555 anopheline and 12,721 other culicines) were collected using both CDC light trap (9158 mosquitoes) and PSC collection methods (17,118 mosquitoes) from June to December 2012. An. gambiae complex was the predominant species collected. An. gambiae was the predominant species collected (P = 0.0005), comprising 88% of the total collected and the most infected species. Malaria vectors densities were significantly lower in sprayed villages (n = 4303) compared with unsprayed villages (n = 12,569) during post-spraying period (P = 0.0012). In addition, mean human biting rate of An. gambiae s.l. and An. funestus s.l. were sign

关键词： indoor residual spraying Bendiocarb Entomological Indices Malaria Vectors Burkina Faso

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Geographical Reconnaissance of Household in Northern Nigeria towards Optimizing indoor residual spraying Method for Malaria Elimination

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Journal of Geographic Information System 2016年第6期8卷 737-748页

作者： Williams Ojo Moses Onazi Olakunle Olaniyi Department of Geography and Ecosystem Analysis Lund University Lund Sweden Research and Data Solutions Abuja Nigeria Stuttgart University Stuttgart Germany

As a part of an effort to roll back malaria in Nigeria, exploring the use of geographically related tools triggered the use of modern approaches of knowing the spatial distribution of target populations to attain significant malaria elimination intervention. GIS tool was used for geographical reconnaissance (GR), providing demographic data on respondents’ household and spatial information on the distribution of households in the selected location. A cross-sectional study design was used to collect spatial data in the two locations, while a quantitative questionnaire was used to collect the household data. The analysis of field data indicated that 49,500 unique households were enumerated and thus included in the indoor residual spraying to prevent malaria infection, covering 424 towns in the two Local Government Areas (LGAs). 383,301 persons were recorded during the GR exercise in Doma and Nassarawa Eggon LGAs out of which 79,339 were children of agesless than five years, with 13,526 pregnant women. Further data analysis revealed that the average number of persons per household in both LGAs was approximately eight. The spatial information from the GR provides a foundation for an updateable database for any future survey for developmental activities in Nigeria. The use of modern GR approach has proved to be accurate, reliable and more cost effective and less cumbersome than the traditional approach in the collection and geo-positioning of household data. Use of Garmin e-Trex GPS handheld instruments to collect household data in the designated areas removed the constraints of expensive Personal Digital Assistants and reduced errors of wrong location coordinates. Several African countries which did not use GR or applied the use of Geospatial tool appropriately had setbacks. The previous study in other countries showed limitations which was characterized by substantial inherent logistical and technical challenges culminating in missed targets. This setback was addressed

关键词： Geographical Reconnaissance Geographic Information System Global Positioning Systems indoor residual spraying Local Government Area

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Insecticide resistance in phlebotomine sandflies in Southeast Asia with emphasis on the Indian subcontinent

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Infectious Diseases of Poverty 2016年第1期5卷 972-981页

作者： Ramesh C.Dhiman Rajpal S.Yadav Author details 1 National Institute of Malaria Research(ICMR) Delhi 110077India Department of Control of Neglected Tropical Diseases World Health OrganizationGenevaSwitzerland

Background:Visceral leishmaniasis,commonly known as kala-azar in India,is a global public health *** Southeast Asia,Bangladesh,Bhutan,India,Nepal,Sri Lanka and Thailand are endemic for visceral *** role of sandflies as the vector of kala-azar was first confirmed in 1942 in *** resistance in Phlebotomus argentipes Annandale and Brunetti,the vector of kala-azar in the Indian subcontinent,was first reported in 1987 in Bihar,*** article provides a scoping review of the studies undertaken from 1959 to 2015 on insecticide resistance in *** and ***(Scopoli),the vectors of visceral and cutaneous leishmaniasis respectively,in Southeast Asia,mainly in Bangladesh,India,Nepal and Sri ***:Studies undertaken in areas of Bihar and West Bengal in India where kala-azar is endemic have reported resistance of *** to DDT,while in non-endemic areas it has been reported to be *** areas of Nepal bordering India,there are indications of resistance to DDT;biochemical resistance has been reported in Sri *** laboratory studies have been undertaken in Bangladesh;however,the sandfly vector is reported to be still susceptible to pyrethroids in all kala-azar endemic areas in the aforementioned ***:Studies are needed to determine the resistance of sandfly vectors to all available classes of potential insecticides in kala-azar endemic *** is a need to assess the impact of indoor residual spraying with DDT and pyrethroids on the incidence of kala-azar in India where 54 districts remain endemic for the disease,strengthen entomological surveillance capacity,and develop and implement an insecticide management ***-cypermethrin indoor residual spraying has been introduced in 33 kala-azar endemic districts in Bihar State of India in a pilot trial;the outcomes should be used to inform decisions on expanding coverage with alpha-cypermethrin in all remaining endemic districts to achie

关键词： DDT Alpha-cypermethrin indoor residual spraying Indian subcontinent Insecticide resistance Phlebotomus argentipes Phlebotomus papatasi Sandflies Visceral leishmaniasis

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