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Indoor residual spraying

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https://www.readbyqxmd.com/read/28106262/phlebotomine-sandfly-ecology-on-the-indian-subcontinent-does-village-vegetation-play-a-role-in-sandfly-distribution-in-bihar-india
#1
D M Poché, R M Poché, S Mukherjee, G A Franckowiak, L N Briley, D J Somers, R B Garlapati
Visceral leishmaniasis (VL) is a disease that results in approximately 50 000 human deaths annually. It is transmitted through the bites of phlebotomine sandflies and around two-thirds of cases occur on the Indian subcontinent. Indoor residual spraying (IRS), the efficacy of which depends upon sandfly adults resting indoors, is the only sandfly control method used in India. Recently, in Bihar, India, considerable sandfly numbers have been recorded outdoors in village vegetation, which suggests that IRS may control only a portion of the population...
January 20, 2017: Medical and Veterinary Entomology
https://www.readbyqxmd.com/read/28091570/increasing-the-potential-for-malaria-elimination-by-targeting-zoophilic-vectors
#2
Jessica L Waite, Sunita Swain, Penelope A Lynch, S K Sharma, Mohammed Asrarul Haque, Jacqui Montgomery, Matthew B Thomas
Countries in the Asia Pacific region aim to eliminate malaria by 2030. A cornerstone of malaria elimination is the effective management of Anopheles mosquito vectors. Current control tools such as insecticide treated nets or indoor residual sprays target mosquitoes in human dwellings. We find in a high transmission region in India, malaria vector populations show a high propensity to feed on livestock (cattle) and rest in outdoor structures such as cattle shelters. We also find evidence for a shift in vector species complex towards increased zoophilic behavior in recent years...
January 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28077167/role-of-anopheles-cellia-rufipes-gough-1910-and-other-local-anophelines-in-human-malaria-transmission-in-the-northern-savannah-of-cameroon-a-cross-sectional-survey
#3
Raymond N Tabue, Parfait Awono-Ambene, Josiane Etang, Jean Atangana, Antonio-Nkondjio C, Jean C Toto, Salomon Patchoke, Rose G F Leke, Etienne Fondjo, Abraham P Mnzava, Tessa B Knox, Alexis Tougordi, Martin J Donnelly, Jude D Bigoga
BACKGROUND: As part of a study to determine the impact of insecticide resistance on the effectiveness of long-lasting insecticide treated nets (LLINs) in the north of Cameroon, the unexpectedly high density and anthropophilic behaviour of Anopheles rufipes lead us to investigate this species bionomics and role in human malaria parasite transmission. METHODS: For four consecutive years (2011-2014), annual cross-sectional sampling of adult mosquitoes was conducted during the peak malaria season (September-October) in three health districts in northern Cameroon...
January 11, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28070009/a-malaria-ecology-index-predicted-spatial-and-temporal-variation-of-malaria-burden-and-efficacy-of-antimalarial-interventions-based-on-african-serological-data
#4
Gordon C McCord, Jesse K Anttila-Hughes
Reducing the global health burden of malaria is complicated by weak reporting systems for infectious diseases and a paucity of vital statistics registration. This limits our ability to predict changes in malaria health burden intensity, target antimalarial resources where needed, and identify malaria impacts in retrospective data. We refined and deployed a temporally and spatially varying Malaria Ecology Index (MEI) incorporating climatological and ecological data to estimate malaria transmission strength and validate it against cross-sectional serology data from 39,875 children from seven sub-Saharan African countries...
January 9, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28052759/exploring-the-use-of-routinely-available-retrospective-data-to-study-the-association-between-malaria-control-scale-up-and-micro-economic-outcomes-in-zambia
#5
Alison Comfort, Anthony Leegwater, Sharon Nakhimovsky, Henry Kansembe, Busiku Hamainza, Benson Bwalya, Martin Alilio, Ben Johns, Lauren Olsho
BACKGROUND: Country-level evidence on the impact of malaria control on micro-economic outcomes is vital for mobilizing domestic and donor resources for malaria control. Using routinely available survey data could facilitate this investigation in a cost-efficient way. METHODS: The authors used Malaria Indicator Surveys (MIS) and Living Conditions Monitoring Survey (LCMS) data from 2006 to 2010 for all 72 districts in Zambia to relate malaria control scale-up with household food spending (proxy for household well-being), educational attainment and agricultural production...
January 4, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28049475/assessing-the-effect-of-indoor-residual-spraying-irs-on-malaria-morbidity-in-northern-uganda-a-before-and-after-study
#6
Betty Bawuba Tukei, Andy Beke, Héctor Lamadrid-Figueroa
BACKGROUND: Indoor residual spraying (IRS) is known to reduce malaria transmission. In northern Uganda, a high endemic area, IRS has been implemented since 2006. Limited data however, exists on the effect of IRS on the malaria burden. This study sought to assess the effect of IRS on malaria morbidity in the high intensity area of northern Uganda. Retrospective routine data from ten health facilities in three districts which had received at least five rounds of IRS in northern Uganda was analysed...
January 3, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28032103/laboratory-evaluation-of-temephos-against-anopheles-stephensi-and-culex-pipiens-larvae-in-iran
#7
Mohammad Reza Abai, Ahmad Ali Hanafi-Bojd, Hassan Vatandoost
BACKGROUND: Malaria is still a health problem in Iran. There are several vector control activities, including Indoor Residual spraying, using insecticide treated nets and larviciding including Temephos. In addition nuisance mosquitos are prevalent in the urban areas. So that evaluation of this species to larvicide will provide a clue for management of vector control activities. METHODS: Two mosquito species were used in this study: Anopheles stephensi were collected from Kazeroun and Culex pipiens from Tehran, capital of Iran...
December 2016: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/28032095/control-of-phlebotomine-sand-flies-in-iran-a-review-article
#8
REVIEW
Mohammad Reza Yaghoobi-Ershadi
Leishmaniasis has long been known as a significant public health challenge in many parts of Iran. Phlebotomus papatasi and P. sergenti are the vectors of Zoonotic Cutaneous Leishmaniasis and Anthroponotic Cutaneous Leishmaniasis respectively, and 5 species of sand flies including P. kandelakii, P. neglectus, P. perfiliewi, P. keshishiani and P. alexandri are considered as probable vectors of Zoonotic visceral leishmaniasis. A literature search was performed of the relevant multiple databases from 1966 to 2013 to include studies on sand flies, vector control, leishmaniasis, Phlebotomus...
December 2016: Journal of Arthropod-borne Diseases
https://www.readbyqxmd.com/read/28031202/slow-release-ivermectin-formulation-for-malaria-control-a-pilot-study-in-80-kg-pigs
#9
Carlos Chaccour, Gloria Abizanda, Ángel Irigoyen, José Luis Del Pozo
Vector control with long-lasting insecticidal nets (LLINs) and indoor residual spraying are responsible for more than two thirds of the reduction seen in malaria prevalence in Africa over the last 15 years (1).….
December 28, 2016: Antimicrobial Agents and Chemotherapy
https://www.readbyqxmd.com/read/28011725/indoor-resting-behavior-of-aedes-aegypti-diptera-culicidae-in-acapulco-mexico
#10
Felipe Dzul-Manzanilla, Jésus Ibarra-López, Wilbert Bibiano Marín, Andrés Martini-Jaimes, Joel Torres Leyva, Fabián Correa-Morales, Herón Huerta, Pablo Manrique-Saide, Gonzalo Vazquez M Prokopec
The markedly anthropophilic and endophilic behaviors of Aedes aegypti (L.) make it a very efficient vector of dengue, chikungunya, and Zika viruses. Although a large body of research has investigated the immature habitats and conditions for adult emergence, relatively few studies have focused on the indoor resting behavior and distribution of vectors within houses. We investigated the resting behavior of Ae. aegypti indoors in 979 houses of the city of Acapulco, Mexico, by performing exhaustive indoor mosquito collections to describe the rooms and height at which mosquitoes were found resting...
December 22, 2016: Journal of Medical Entomology
https://www.readbyqxmd.com/read/27986094/using-an-intervention-mapping-approach-for-planning-implementing-and-assessing-a-community-led-project-towards-malaria-elimination-in-the-eastern-province-of-rwanda
#11
Chantal Marie Ingabire, Emmanuel Hakizimana, Fredrick Kateera, Alexis Rulisa, Bart Van Den Borne, Ingmar Nieuwold, Claude Muvunyi, Constantianus J M Koenraadt, Michele Van Vugt, Leon Mutesa, Jane Alaii
BACKGROUND: Active community participation in malaria control is key to achieving malaria pre-elimination in Rwanda. This paper describes development, implementation and evaluation of a community-based malaria elimination project in Ruhuha sector, Bugesera district, Eastern province of Rwanda. METHODS: Guided by an intervention mapping approach, a needs assessment was conducted using household and entomological surveys and focus group interviews. Data related to behavioural, epidemiological, entomological and economical aspects were collected...
December 16, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27977810/disrupting-mosquito-reproduction-and-parasite-development-for-malaria-control
#12
Lauren M Childs, Francisco Y Cai, Evdoxia G Kakani, Sara N Mitchell, Doug Paton, Paolo Gabrieli, Caroline O Buckee, Flaminia Catteruccia
The control of mosquito populations with insecticide treated bed nets and indoor residual sprays remains the cornerstone of malaria reduction and elimination programs. In light of widespread insecticide resistance in mosquitoes, however, alternative strategies for reducing transmission by the mosquito vector are urgently needed, including the identification of safe compounds that affect vectorial capacity via mechanisms that differ from fast-acting insecticides. Here, we show that compounds targeting steroid hormone signaling disrupt multiple biological processes that are key to the ability of mosquitoes to transmit malaria...
December 2016: PLoS Pathogens
https://www.readbyqxmd.com/read/27965266/indoor-residual-spraying-delivery-models-to-prevent-malaria-comparison-of-community-and-district-based-approaches-in-ethiopia
#13
Benjamin Johns, Yemane Yeebiyo Yihdego, Lena Kolyada, Dereje Dengela, Sheleme Chibsa, Gunawardena Dissanayake, Kristen George, Hiwot Solomon Taffese, Bradford Lucas
BACKGROUND: Indoor residual spraying (IRS) for malaria prevention has traditionally been implemented in Ethiopia by the district health office with technical and operational inputs from regional, zonal, and central health offices. The United States President's Malaria Initiative (PMI) in collaboration with the Government of Ethiopia tested the effectiveness and efficiency of integrating IRS into the government-funded community-based rural health services program. METHODS: Between 2012 and 2014, PMI conducted a mixed-methods study in 11 districts of Oromia region to compare district-based IRS (DB IRS) and community-based IRS (CB IRS) models...
December 23, 2016: Global Health, Science and Practice
https://www.readbyqxmd.com/read/27965265/new-ways-of-approaching-indoor-residual-spraying-for-malaria
#14
EDITORIAL
Michael Macdonald
No abstract text is available yet for this article.
December 23, 2016: Global Health, Science and Practice
https://www.readbyqxmd.com/read/27965145/assessment-of-individual-and-household-malaria-risk-factors-among-women-in-a-south-african-village
#15
Ezra Mutegeki, Moses John Chimbari, Samson Mukaratirwa
There is need to understand how various malaria risk factors interact at the individual, household and community levels, as well as wider contexts, in order to guide the design and implementation of effective and more comprehensive control strategies. Using a cross-sectional approach, this study investigated various malaria risk factors among residents of Mgedula Village, a malaria-endemic community located in Jozini Local Municipality, UMkhanyakude District, South Africa from May to August 2014. Data from 121 randomly sampled women were collected using close-ended questionnaires...
December 10, 2016: Acta Tropica
https://www.readbyqxmd.com/read/27955677/spatio-temporal-analysis-of-malaria-vector-density-from-baseline-through-intervention-in-a-high-transmission-setting
#16
Victor A Alegana, Simon P Kigozi, Joaniter Nankabirwa, Emmanuel Arinaitwe, Ruth Kigozi, Henry Mawejje, Maxwell Kilama, Nick W Ruktanonchai, Corrine W Ruktanonchai, Chris Drakeley, Steve W Lindsay, Bryan Greenhouse, Moses R Kamya, David L Smith, Peter M Atkinson, Grant Dorsey, Andrew J Tatem
BACKGROUND: An increase in effective malaria control since 2000 has contributed to a decline in global malaria morbidity and mortality. Knowing when and how existing interventions could be combined to maximise their impact on malaria vectors can provide valuable information for national malaria control programs in different malaria endemic settings. Here, we assess the effect of indoor residual spraying on malaria vector densities in a high malaria endemic setting in eastern Uganda as part of a cohort study where the use of long-lasting insecticidal nets (LLINs) was high...
December 12, 2016: Parasites & Vectors
https://www.readbyqxmd.com/read/27923385/field-effectiveness-of-microbial-larvicides-on-mosquito-larvae-in-malaria-areas-of-botswana-and-zimbabwe
#17
Mulamuli Mpofu, Piet Becker, Kaka Mudambo, Christiaan de Jager
BACKGROUND: The successful control of malaria vectors requires the control of both the larval and adult stages. The adult control methods through indoor residual spraying (IRS) and use of long-lasting insecticidal nets (LLINs) continue to be widely used with some high measure of success. Larval control methods are also being used by a number of National Malaria Control Programmes (NMCPs) with limited understanding of its contribution. Larval control might be needed in some areas to move from malaria control to elimination...
December 6, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27860013/behavioral-responses-of-anopheles-species-culicidae-diptera-with-varying-surface-exposure-to-pyrethroid-treated-netting-in-an-excito-repellency-test-system
#18
Krajana Tainchum, Jirod Nararak, Wasana Boonyuan, Michael J Bangs, Theeraphap Chareonviriyaphap
Indoor Residual Spray (IRS) with insecticides has been a procedure used for decades to protect humans from biting mosquitoes and potential vectors of pathogens. The objective of this study was to determine the responses of three wild-caught species of malaria vectors exposed to pyrethroids of three different surface coverage percents using an excito-repellency test box. Each species was exposed to three insecticide-treated surfaces at varying exposure levels (full coverage, 50%, and 25% of the maximum allowable by the test system) to a single standard field dose of either lambda-cyhalothrin or alpha-cypermethrin...
December 2016: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/27842588/roles-and-challenges-of-construction-firms-and-public-health-entomologists-in-ending-indoor-malaria-transmission-in-african-setting
#19
EDITORIAL
Eliningaya J Kweka
Indoor malaria transmission reduction across sub-Saharan Africa has been attained through implementation of long-lasting insecticidal nets and indoor residual spray interventions with small-scale larval source management. Improvement of house structures in sub-Saharan Africa can lead to zero indoor malaria transmission with evidence from West Africa, East Africa and Middle East countries. Residual malaria transmission cannot be targeted well with LLINs and IRS alone, but with incorporation of house structures modifications it may be possible...
November 14, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27824885/measures-of-malaria-burden-after-long-lasting-insecticidal-net-distribution-and-indoor-residual-spraying-at-three-sites-in-uganda-a-prospective-observational-study
#20
Agaba Katureebe, Kate Zinszer, Emmanuel Arinaitwe, John Rek, Elijah Kakande, Katia Charland, Ruth Kigozi, Maxwell Kilama, Joaniter Nankabirwa, Adoke Yeka, Henry Mawejje, Arthur Mpimbaza, Henry Katamba, Martin J Donnelly, Philip J Rosenthal, Chris Drakeley, Steve W Lindsay, Sarah G Staedke, David L Smith, Bryan Greenhouse, Moses R Kamya, Grant Dorsey
BACKGROUND: Long-lasting insecticidal nets (LLINs) and indoor residual spraying of insecticide (IRS) are the primary vector control interventions used to prevent malaria in Africa. Although both interventions are effective in some settings, high-quality evidence is rarely available to evaluate their effectiveness following deployment by a national malaria control program. In Uganda, we measured changes in key malaria indicators following universal LLIN distribution in three sites, with the addition of IRS at one of these sites...
November 2016: PLoS Medicine
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