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Indoor residual spraying

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https://www.readbyqxmd.com/read/28615868/some-probable-factors-affecting-the-malaria-situation-before-and-at-the-beginning-of-a-pre-elimination-program-in-southeastern-iran
#1
Jalil Nejati, Seyed Mehdi Tabatabaei, Masoud Salehi, Abedin Saghafipour, Ehssan Mozafari
The area southeast of Iran still copes with malaria as an unstable infectious disease and includes the most autochthonous malaria reports in the country. This comprehensive study was carried out for the evaluation of environmental factors, welfare indicators and health facilities on the malaria situation before and at the beginning of a pre-elimination programme in this area. The probable factors affecting the malaria situation, including the water-pipe network, electricity, rainfall, long-lasting integrated nets (LLINs), indoor residual spraying and malaria diagnosis-treatment centres were analysed using SPSS software...
June 2017: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/28610579/reported-community-level-indoor-residual-spray-coverage-from-two-stage-cluster-surveys-in-sub-saharan-africa
#2
David A Larsen, Lauren Borrill, Ryan Patel, Lauren Fregosi
BACKGROUND: Malaria is an important cause of morbidity and mortality in malaria-endemic areas. Indoor residual spray is an effective intervention to control malaria, but high community-level coverage is needed to maximize its impact. METHODS AND RESULTS: Using thirty-four two-stage cluster surveys (e.g., demographic and health surveys) and lot quality assurance sampling, indoor residual spray was estimated at the community level (i.e. enumeration-area) across sub-Saharan Africa since 2010...
June 13, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28609661/the-use-of-pesticides-in-belgian-illicit-indoor-cannabis-plantations
#3
Eva Cuypers, Wouter Vanhove, Joachim Gotink, Arne Bonneure, Patrick Van Damme, Jan Tytgat
Cannabis (Cannabis spp.) use and cultivation continue to increase in many (European) countries. The illicit indoor cannabis plantations that supply Belgian and European cannabis markets create problems and concerns about health and safety of intervention staff, dismantling companies, the direct environment of cannabis plantations and, eventually, of cannabis users. Main risks may come from pesticide residues on plants, cultivation infrastructure and materials; left-over plant growth-promoting substances; mycotoxins from fungal pathogens on harvested plants; and/or high levels of cannabinoids in cannabis plant parts for consumption...
May 25, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28609442/the-us-president-s-malaria-initiative-and-under-5-child-mortality-in-sub-saharan-africa-a-difference-in-differences-analysis
#4
Aleksandra Jakubowski, Sally C Stearns, Margaret E Kruk, Gustavo Angeles, Harsha Thirumurthy
BACKGROUND: Despite substantial financial contributions by the United States President's Malaria Initiative (PMI) since 2006, no studies have carefully assessed how this program may have affected important population-level health outcomes. We utilized multiple publicly available data sources to evaluate the association between introduction of PMI and child mortality rates in sub-Saharan Africa (SSA). METHODS AND FINDINGS: We used difference-in-differences analyses to compare trends in the primary outcome of under-5 mortality rates and secondary outcomes reflecting population coverage of malaria interventions in 19 PMI-recipient and 13 non-recipient countries between 1995 and 2014...
June 2017: PLoS Medicine
https://www.readbyqxmd.com/read/28604781/deltamethrin-resistance-in-aedes-aegypti-results-in-treatment-failure-in-merida-mexico
#5
Gonzalo M Vazquez-Prokopec, Anuar Medina-Barreiro, Azael Che-Mendoza, Felipe Dzul-Manzanilla, Fabian Correa-Morales, Guillermo Guillermo-May, Wilbert Bibiano-Marín, Valentín Uc-Puc, Eduardo Geded-Moreno, José Vadillo-Sánchez, Jorge Palacio-Vargas, Scott A Ritchie, Audrey Lenhart, Pablo Manrique-Saide
The operational impact of deltamethrin resistance on the efficacy of indoor insecticide applications to control Aedes aegypti was evaluated in Merida, Mexico. A randomized controlled trial quantified the efficacy of indoor residual spraying (IRS) against adult Ae. aegypti in houses treated with either deltamethrin (to which local Ae. aegypti expressed a high degree of resistance) or bendiocarb (to which local Ae. aegypti were fully susceptible) as compared to untreated control houses. All adult Ae. aegypti infestation indices during 3 months post-spraying were significantly lower in houses treated with bendiocarb compared to untreated houses (odds ratio <0...
June 12, 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28594568/repellents-and-new-spaces-of-concern-in-global-health
#6
Ann H Kelly, Hermione N Boko Koudakossi, Sarah J Moore
Today, malaria prevention hinges upon two domestic interventions: insecticide-treated bed nets and indoor residual spraying. As mosquitoes grow resistant to these tools, however, novel approaches to vector control have become a priority area of malaria research and development. Spatial repellency, a volumetric mode of action that seeks to reduce disease transmission by creating an atmosphere inimical to mosquitoes, represents one way forward. Drawing from research that sought to develop new repellent chemicals in conversation with users from sub-Saharan Africa and the United States, we consider the implications of a non-insecticidal paradigm of vector control for how we understand the political ecology of malaria...
June 8, 2017: Medical Anthropology
https://www.readbyqxmd.com/read/28589023/measuring-manipulating-and-exploiting-behaviours-of-adult-mosquitoes-to-optimise-malaria-vector-control-impact
#7
Gerry F Killeen, John M Marshall, Samson S Kiware, Andy B South, Lucy S Tusting, Prosper P Chaki, Nicodem J Govella
Residual malaria transmission can persist despite high coverage with effective long-lasting insecticidal nets (LLINs) and/or indoor residual spraying (IRS), because many vector mosquitoes evade them by feeding on animals, feeding outdoors, resting outdoors or rapidly exiting from houses after entering them. However, many of these behaviours that render vectors resilient to control with IRS and LLINs also make them vulnerable to some emerging new alternative interventions. Furthermore, vector control measures targeting preferred behaviours of mosquitoes often force them to express previously rare alternative behaviours, which can then be targeted with these complementary new interventions...
March 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28589022/developing-an-expanded-vector-control-toolbox-for-malaria-elimination
#8
Gerry F Killeen, Allison Tatarsky, Abdoulaye Diabate, Carlos J Chaccour, John M Marshall, Fredros O Okumu, Shannon Brunner, Gretchen Newby, Yasmin A Williams, David Malone, Lucy S Tusting, Roland D Gosling
Vector control using long-lasting insecticidal nets (LLINs) and indoor residual spraying (IRS) accounts for most of the malaria burden reductions achieved recently in low and middle-income countries (LMICs). LLINs and IRS are highly effective, but are insufficient to eliminate malaria transmission in many settings because of operational constraints, growing resistance to available insecticides and mosquitoes that behaviourally avoid contact with these interventions. However, a number of substantive opportunities now exist for rapidly developing and implementing more diverse, effective and sustainable malaria vector control strategies for LMICs...
March 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28589015/going-beyond-personal-protection-against-mosquito-bites-to-eliminate-malaria-transmission-population-suppression-of-malaria-vectors-that-exploit-both-human-and-animal-blood
#9
Gerry F Killeen, Samson S Kiware, Fredros O Okumu, Marianne E Sinka, Catherine L Moyes, N Claire Massey, Peter W Gething, John M Marshall, Carlos J Chaccour, Lucy S Tusting
Protecting individuals and households against mosquito bites with long-lasting insecticidal nets (LLINs) or indoor residual spraying (IRS) can suppress entire populations of unusually efficient malaria vector species that predominantly feed indoors on humans. Mosquitoes which usually feed on animals are less reliant on human blood, so they are far less vulnerable to population suppression effects of such human-targeted insecticidal measures. Fortunately, the dozens of mosquito species which primarily feed on animals are also relatively inefficient vectors of malaria, so personal protection against mosquito bites may be sufficient to eliminate transmission...
March 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28588994/modelling-the-cost-effectiveness-of-introducing-the-rts-s-malaria-vaccine-relative-to-scaling-up-other-malaria-interventions-in-sub-saharan-africa
#10
Peter Winskill, Patrick Gt Walker, Jamie T Griffin, Azra C Ghani
OBJECTIVES: To evaluate the relative cost-effectiveness of introducing the RTS,S malaria vaccine in sub-Saharan Africa compared with further scale-up of existing interventions. DESIGN: A mathematical modelling and cost-effectiveness study. SETTING: Sub-Saharan Africa. PARTICIPANTS: People of all ages. INTERVENTIONS: The analysis considers the introduction and scale-up of the RTS,S malaria vaccine and the scale-up of long-lasting insecticide-treated bed nets (LLINs), indoor residual spraying (IRS) and seasonal malaria chemoprevention (SMC)...
January 2017: BMJ Global Health
https://www.readbyqxmd.com/read/28587669/ivermectin-treated-cattle-reduces-blood-digestion-egg-production-and-survival-of-a-free-living-population-of-anopheles-arabiensis-under-semi-field-condition-in-south-eastern-tanzania
#11
Issa N Lyimo, Stella T Kessy, Kasian F Mbina, Ally A Daraja, Ladslaus L Mnyone
BACKGROUND: Anopheles arabiensis feed on cattle and contributes to residual transmission of malaria in areas with high coverage of long-lasting insecticide-treated nets and indoor residual spraying in East Africa. This study aimed to evaluate the effects of ivermectin-treated cattle as a complementary vector control tool against population of An. arabiensis under the semi-field conditions in south-eastern Tanzania. METHODS: The free-living population of An. arabiensis was allowed to forage on untreated or ivermectin-treated cattle in alternating nights within the semi-field system in south-eastern Tanzania...
June 6, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28582562/adaptation-of-a-malaria-surveillance-system-for-use-in-a-visceral-leishmaniasis-elimination-programme
#12
Geraldine M Foster, Sophie Dunkley, Rinki M Deb, Edward Thomsen, Marlize Coleman, A C Dhariwal, R K Das Gupta, Sridhar Srikantiah, Pradeep Das, Michael Coleman
Background: Successful public practice relies on generation and use of high-quality data. A data surveillance system (the Disease Data Management System [DDMS]) in use for malaria was adapted for use in the Indian visceral leishmaniasis elimination programme. Methods: A situational analysis identified the data flows in current use. Taxonomic trees for the vector of visceral leishmaniasis in India, Phlebotomus argentipes, were incorporated into the DDMS to allow entry of quality assurance and insecticide susceptibility data...
May 1, 2017: International Health
https://www.readbyqxmd.com/read/28558701/rapid-reduction-of-malaria-following-introduction-of-vector-control-interventions-in-tororo-district-uganda-a-descriptive-study
#13
David W Oguttu, Joseph K B Matovu, David C Okumu, Alex R Ario, Allen E Okullo, Jimmy Opigo, Victoria Nankabirwa
BACKGROUND: In 2012, Tororo District had the highest malaria burden in Uganda with community Plasmodium prevalence of 48%. To control malaria in the district, the Ministry of Health introduced universal distribution of long lasting insecticide-treated nets (LLINs) in 2013 and added indoor residual spraying (IRS) in 2014. This study assessed malaria incidence, test positivity rates and outpatient (OPD) attendance due to malaria before and after vector control interventions. METHODS: This study was based on analysis of Health Management Information System (HMIS) secondary malaria surveillance data of 2,727,850 patient records in OPD registers of 61 health facilities from 2012 to 2015...
May 30, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28532494/insecticide-treated-durable-wall-lining-itwl-future-prospects-for-control-of-malaria-and-other-vector-borne-diseases
#14
REVIEW
Louisa A Messenger, Mark Rowland
While long-lasting insecticidal nets (LLINs) and indoor residual spraying (IRS) are the cornerstones of malaria vector control throughout sub-Saharan Africa, there is an urgent need for the development of novel insecticide delivery mechanisms to sustain and consolidate gains in disease reduction and to transition towards malaria elimination and eradication. Insecticide-treated durable wall lining (ITWL) may represent a new paradigm for malaria control as a potential complementary or alternate longer-lasting intervention to IRS...
May 22, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28507193/current-and-future-prospects-for-preventing-malaria-transmission-via-the-use-of-insecticides
#15
Hilary Ranson
Malaria vectors have developed resistance to all classes of insecticides that are used to target the adult mosquito to prevent parasite transmission. The number of resistant mosquito populations has increased dramatically in recent years, most likely as a result of the scale-up of vector control activities, and the intensity of this resistance is increasing rapidly and compromising the performance of vector control tools. Bednets and indoor residual spray formulations containing alternative active ingredients have shown promise in field trials but are still several years away from implementation...
May 15, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28492123/factors-associated-with-contracting-malaria-in-ward-29-of-shamva-district-zimbabwe-2014
#16
Gladwin Muchena, Notion Gombe, Lucia Takundwa, Mufuta Tshimanga, Donewell Bangure, Nyasha Masuka, Tsitsi Juru
BACKGROUND: Malaria cases at Wadzanayi Clinic in Shamva District, Zimbabwe, increased drastically, surpassing the epidemic threshold, in week four of December 2013. This rise was sustained, which necessitated an investigation of the outbreak. OBJECTIVES: To identify risk factors and system weaknesses to improve epidemic preparedness and response. METHODS: An unmatched 1:1 case-control study was conducted in Ward 29 of Shamva District in Zimbabwe...
April 25, 2017: South African Medical Journal, Suid-Afrikaanse Tydskrif Vir Geneeskunde
https://www.readbyqxmd.com/read/28490535/vaccines-to-accelerate-malaria-elimination-and-eventual-eradication
#17
Julie Healer, Alan F Cowman, David C Kaslow, Ashley J Birkett
Remarkable progress has been made in coordinated malaria control efforts with substantial reductions in malaria-associated deaths and morbidity achieved through mass administration of drugs and vector control measures including distribution of long-lasting insecticide-impregnated bednets and indoor residual spraying. However, emerging resistance poses a significant threat to the sustainability of these interventions. In this light, the malaria research community has been charged with the development of a highly efficacious vaccine to complement existing malaria elimination measures...
May 10, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28489935/indoor-residual-spraying-with-micro-encapsulated-pirimiphos-methyl-actellic%C3%A2-300cs-against-malaria-vectors-in-the-lake-victoria-basin-tanzania
#18
Fabian M Mashauri, Alphaxard Manjurano, Safari Kinung'hi, Jackline Martine, Eric Lyimo, Coleman Kishamawe, Chacha Ndege, Mahdi M Ramsan, Adeline Chan, Charles D Mwalimu, John Changalucha, Stephen Magesa
BACKGROUND: The indoor residual spraying programme for malaria vectors control was implemented in four districts of the Lake Victoria basin of Tanzania namely Ukerewe, Sengerema, Rorya andSerengeti. Entomological monitoring activities were implemented in one sentinel village in each district to evaluate the efficacy of pirimiphos-methyl 300 CS sprayed on different wall surfaces and its impact against malaria vectors post-IRS intervention. METHODS: The residual decay rate of p-methyl 300 CS applied at a target dosage of 1g a...
2017: PloS One
https://www.readbyqxmd.com/read/28482832/factors-associated-with-malaria-parasitaemia-among-children-under-5%C3%A2-years-in-uganda-a-secondary-data-analysis-of-the-2014-malaria-indicator-survey-dataset
#19
Humphrey Wanzira, Henry Katamba, Allen Eva Okullo, Bosco Agaba, Mathias Kasule, Denis Rubahika
BACKGROUND: In the midst of success with malaria reduction in Uganda, there are areas that still have high prevalence of malaria parasitaemia. This project aimed at investigating factors associated with this prevalence and its relationship with anaemia. METHODS: This is a secondary data analysis of the 2014 Malaria Indicator Survey dataset of children under 5 years. All had a blood sample taken by finger or heel prick for determination of malaria parasitaemia and estimation of haemoglobin level for anaemia status...
May 8, 2017: Malaria Journal
https://www.readbyqxmd.com/read/28463989/identifying-sources-pathways-and-risk-drivers-in-ecosystems-of-japanese-encephalitis-in-an-epidemic-prone-north-indian-district
#20
Manish Kakkar, Sanjay Chaturvedi, Vijay Kumar Saxena, Tapan N Dhole, Ashok Kumar, Elizabeth T Rogawski, Syed Abbas, Vidya V Venkataramanan, Pranab Chatterjee
Japanese Encephalitis (JE) has caused repeated outbreaks in endemic pockets of India. This study was conducted in Kushinagar, a highly endemic district, to understand the human-animal-ecosystem interactions, and the drivers that influence disease transmission. Utilizing the ecosystems approach, a cross-sectional, descriptive study, employing mixed methods design was employed. Four villages (two with pig-rearing and two without) were randomly selected from a high, a medium and a low burden (based on case counts) block of Kushinagar...
2017: PloS One
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