Research Topics
| Abdisalan M NoorSummaryAffiliation: Kenya Medical Research Institute Country: Kenya Publications
| Collaborators
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Detail Information
Publications
Clinical epidemiology of malaria in the highlands of western KenyaSimon I Hay
Department of Zoology, University of Oxford, Oxford, UK
Emerg Infect Dis 8:543-8. 2002..The malaria of the region is best described as seasonal and meso-endemic. We discuss the implications for malaria control options in the Kenyan highlands...
Using remotely sensed night-time light as a proxy for poverty in AfricaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI University of Oxford Wellcome Trust Collaborative Programme, Kenyatta National Hospital Grounds behind NASCOP, P, O, Box 43640 00100, Nairobi, Kenya
Popul Health Metr 6:5. 2008..Remotely sensed data on artificial night time lights (NTL) have been shown to correlate with gross domestic product in developed countries...
Self-reported fever, treatment actions and malaria infection prevalence in the northern states of SudanKhalid A Elmardi
National Malaria Control Programme, Federal Ministry of Health, PO Box 1204 Khartoum, Sudan
Malar J 10:128. 2011....
Assembling a global database of malaria parasite prevalence for the Malaria Atlas ProjectCarlos A Guerra
Spatial Ecology and Epidemiology Group, Department of Zoology, University of Oxford, Tinbergen Building, South Parks Road, Oxford, UK
Malar J 6:17. 2007..Open source models for outputs of scientific research funded by tax-payers and charities are becoming the norm. This has yet to be extended to malaria epidemiology and control...
Human population, urban settlement patterns and their impact on Plasmodium falciparum malaria endemicityAndrew J Tatem
Spatial Ecology and Epidemiology Group, Tinbergen Building, Department of Zoology, University of Oxford, South Parks Road, Oxford, OX1 3PS, UK
Malar J 7:218. 2008....
A high resolution spatial population database of Somalia for disease risk mappingCatherine Linard
Spatial Ecology and Epidemiology Group, Department of Zoology, University of Oxford, Tinbergen Building, South Parks Road, Oxford, OX1 3PS, UK
Int J Health Geogr 9:45. 2010..In a low-income country such as Somalia, population data are lacking, are of poor quality, or become outdated rapidly. Modelling methods are therefore needed for the production of contemporary and spatially detailed population data...
The cost of uncomplicated childhood fevers to Kenyan households: implications for reaching international access targetsBruce A Larson
Center for International Health and Development, Boston University, 85 East Concord Street, 5th Floor, Boston, MA 02118, USA
BMC Public Health 6:314. 2006..A neglected concern is how communities will access these new medicines promptly and the costs to poor households when they are located in rural areas distant to health services...
Geographic access to care is not a determinant of child mortality in a rural Kenyan setting with high health facility densityJennifer C Moïsi
Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
BMC Public Health 10:142. 2010..Distance to health facilities is a known determinant of health care utilization and may drive inequalities in health outcomes; we aimed to investigate its effects on childhood mortality...
Information for decision making from imperfect national data: tracking major changes in health care use in Kenya using geostatisticsPeter W Gething
School of Geography, University of Southampton, Highfield, Southampton, SO17 1BJ, UK
BMC Med 5:37. 2007..Here, we present a new approach that, for the first time, allows national changes in health service use during a time of major health policy change to be tracked reliably using imperfect data from a national HMIS...
The use of mosquito nets and the prevalence of Plasmodium falciparum infection in rural South Central SomaliaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
PLoS ONE 3:e2081. 2008..Little is known, however, on the effectiveness of ITN in areas of Africa that support low transmission. This hinders the accurate estimation of impact of ITN use on disease burden and its cost-effectiveness in low transmission settings...
Spatial prediction of Plasmodium falciparum prevalence in SomaliaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, P O Box 43640, 00100 GPO, Nairobi, Kenya
Malar J 7:159. 2008..There is a lack of reliable contemporary malaria maps in endemic countries in sub-Saharan Africa. This problem is particularly acute in low malaria transmission countries such as those located in the horn of Africa...
The risks of malaria infection in Kenya in 2009Abdisalan M Noor
Centre for Geographic Medicine, KEMRI University of Oxford, Kenyatta National Hospital Grounds, Nairobi, Kenya
BMC Infect Dis 9:180. 2009..Here we present a new map of malaria risk for Kenya in 2009...
A spatial national health facility database for public health sector planning in Kenya in 2008Abdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI, University of Oxford, Wellcome Trust Collaborative Programme, Kenyatta National Hospital Grounds behind NASCOP, Nairobi, Kenya
Int J Health Geogr 8:13. 2009..The spatial referencing of service providers to allow their representation in a geographic information system is vital if the full planning potential of such data is to be realized...
The use of insecticide treated nets by age: implications for universal coverage in AfricaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI University of Oxford Wellcome Trust Collaborative Programme, Kenyatta National Hospital Grounds, Nairobi, Kenya
BMC Public Health 9:369. 2009..Here we examine the age pattern of use of insecticide treated nets (ITNs) in Africa in relation to biological vulnerabilities and the implications for future prospects for universal coverage...
Increasing coverage and decreasing inequity in insecticide-treated bed net use among rural Kenyan childrenAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
PLoS Med 4:e255. 2007..In this study, we present repeat observations of ITN coverage among rural Kenyan homesteads exposed at different times to a range of delivery models, and assess changes in coverage across socioeconomic groups...
Health service providers in Somalia: their readiness to provide malaria case-managementAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI, Wellcome Trust Research Programme, Nairobi, Kenya
Malar J 8:100. 2009..The readiness of the public health sector to provide malaria case-management in Somalia, a country where there has been no functioning central government for almost two decades, was investigated...
Predicting the unmet need for biologically targeted coverage of insecticide-treated nets in KenyaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, Kenya Medical Research Institute University of Oxford Wellcome Trust Research Programme, Kenyatta National Hospital Grounds, Nairobi, Kenya
Am J Trop Med Hyg 83:854-60. 2010..4 to 18.1 million nets if not restricted to areas of greatest malaria risk. In Kenya, this evidence-based approach could save the national program at least 55 million US dollars...
Establishing the extent of malaria transmission and challenges facing pre-elimination in the Republic of DjiboutiAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, P O Box 43640, 00100 GPO, Nairobi, Kenya
BMC Infect Dis 11:121. 2011....
The impact of retail-sector delivery of artemether-lumefantrine on malaria treatment of children under five in Kenya: a cluster randomized controlled trialBeth P Kangwana
Malaria Public Health and Epidemiology Group, Kenya Medical Research Institute Wellcome Trust Research Programme, Kenya
PLoS Med 8:e1000437. 2011..This study in western Kenya aimed to evaluate the impact of providing subsidized artemether-lumefantrine (AL) through retail providers on the coverage of prompt, effective antimalarial treatment for febrile children aged 3-59 months...
The spatial-temporal clustering of Plasmodium falciparum infection over eleven years in Gezira State, The SudanSamia E Mirghani
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI University of Oxford Wellcome Trust Collaborative Programme, Kenyatta National Hospital Grounds, Nairobi, Kenya
Malar J 9:172. 2010..Here, the space-time clustering of Plasmodium falciparum infections using data from repeat cross-sectional surveys in Gezira State, a low transmission area in northern Sudan, is investigated...
A world malaria map: Plasmodium falciparum endemicity in 2007Simon I Hay
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, Kenya Medical Research Institute University of Oxford Wellcome TrustCollaborative Programme, Nairobi, Kenya
PLoS Med 6:e1000048. 2009..It is exactly 40 y since the last global map of malaria endemicity was published. This paper describes the generation of a new world map of Plasmodium falciparum malaria endemicity for the year 2007...
Wealth, mother's education and physical access as determinants of retail sector net use in rural KenyaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, Kenya Medical Research Institute, PO Box 43640, 00100, Nairobi, Kenya
Malar J 5:5. 2006..The influence of homestead wealth on use of nets purchased from the retail sector is well documented, however, the competing influence of mother's education and physical access to net providers is less well understood...
Spatial modelling of healthcare utilisation for treatment of fever in NamibiaVictor A Alegana
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, PO Box 43640, 00100 GPO Nairobi, Kenya
Int J Health Geogr 11:6. 2012..Here, empirical household survey data on treatment seeking for fever were used to model the utilisation of public health facilities and define their catchment areas and populations in northern Namibia...
Access and barriers to measures targeted to prevent malaria in pregnancy in rural KenyaPriscilla W Gikandi
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
Trop Med Int Health 13:208-17. 2008....
Progress towards implementation of ACT malaria case-management in public health facilities in the Republic of Sudan: a cluster-sample surveyTarig M Abdelgader
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
BMC Public Health 12:11. 2012..Three years after the launch of the strategy a health facility survey was undertaken to evaluate case-management practices and readiness of the health facilities and health workers to implement a new malaria case-management strategy...
Stable and unstable malaria hotspots in longitudinal cohort studies in KenyaPhilip Bejon
Kilifi KEMRI Wellcome Trust Collaborative Research Programme, Centre for Geographic Medicine Research Coast, Kilifi, Kenya
PLoS Med 7:e1000304. 2010..This heterogeneity reduces the efficacy of control strategies, but also implies that focusing control strategies on "hotspots" of transmission could be highly effective...
The changing limits and incidence of malaria in Africa: 1939-2009Robert W Snow
Malaria Public Health and Epidemiology Group, KEMRI Wellcome Trust Collaborative Programme, Nairobi, Kenya
Adv Parasitol 78:169-262. 2012..One result is a more informed mapped definition of the changing margins of transmission in 1939, 1959, 1979, 1999 and 2009...
Malaria paediatric hospitalization between 1999 and 2008 across KenyaEmelda A Okiro
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, P O Box 43640, 00100 GPO, Nairobi, Kenya
BMC Med 7:75. 2009..Here we present a nationwide assessment of changes over 10 years in paediatric malaria hospitalization across Kenya...
The use of artemether-lumefantrine by febrile children following national implementation of a revised drug policy in KenyaCaroline W Gitonga
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Nairobi, Kenya
Trop Med Int Health 13:487-94. 2008..To examine access to, timing and use of artemisinin-based combination therapy among rural Kenyan febrile children before and following the introduction of artemether-lumefantrine (AL) as first-line antimalarial drug policy...
Plasmodium infection, anaemia and mosquito net use among school children across different settings in KenyaCaroline W Gitonga
Malaria Public Health and Epidemiology Group, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
Trop Med Int Health 17:858-70. 2012..To investigate risk factors, including reported net use, for Plasmodium infection and anaemia among school children and to explore variations in effects across different malaria ecologies occurring in Kenya...
Modelling distances travelled to government health services in KenyaAbdisalan M Noor
Malaria Public Health and Epidemiology Group, Kenya Medical Research Institute Wellcome Trust Research Laboratories, Nairobi, Kenya
Trop Med Int Health 11:188-96. 2006..To systematically evaluate descriptive measures of spatial access to medical treatment, as part of the millennium development goals to reduce the burden of HIV/AIDS, tuberculosis and malaria...
The clinical burden of malaria in Nairobi: a historical review and contemporary auditSandra A Mudhune
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, PO Box 43640, 00100 GPO Nairobi, Kenya
Malar J 10:138. 2011..This paper presents a combined historical and contemporary review of the clinical burden of malaria within one of Africa's largest urban settlements, Nairobi, Kenya...
Insecticide-treated net coverage in Africa: mapping progress in 2000-07Abdisalan M Noor
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI University of Oxford Wellcome Trust Collaborative Programme, Nairobi, Kenya
Lancet 373:58-67. 2009..We gathered subnational ITN coverage sample survey data from 40 malaria-endemic countries in Africa between 2000 and 2007...
The effect of an anti-malarial subsidy programme on the quality of service provision of artemisinin-based combination therapy in Kenya: a cluster-randomized, controlled trialBeth P Kangwana
Malaria Public Health Department, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
Malar J 12:81. 2013....
The limits and intensity of Plasmodium falciparum transmission: implications for malaria control and elimination worldwideCarlos A Guerra
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, Kenyan Medical Research Institute University of Oxford Wellcome Trust Collaborative Programme, Nairobi, Kenya
PLoS Med 5:e38. 2008..This paper aims to define the global geographic distribution of P. falciparum malaria in 2007 and to provide a preliminary description of its transmission intensity within this range...
Changing malaria intervention coverage, transmission and hospitalization in KenyaEmelda A Okiro
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, 00100 GPO, Nairobi, Kenya
Malar J 9:285. 2010..Whether this transition is directly related to the scaling of intervention coverage remains a moot point...
Implementing school malaria surveys in Kenya: towards a national surveillance systemCaroline W Gitonga
Malaria Public Health and Epidemiology Group, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
Malar J 9:306. 2010..To design and implement surveys of malaria infection and coverage of malaria control interventions among school children in Kenya in order to contribute towards a nationwide assessment of malaria...
Effect of expanded insecticide-treated bednet coverage on child survival in rural Kenya: a longitudinal studyGreg W Fegan
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
Lancet 370:1035-9. 2007..ITN coverage has increased rapidly in Kenya from 7% in 2004 to 67% in 2006. We aimed to assess the extent to which this investment has led to improvements in child survival...
Use of rapid diagnostic tests in malaria school surveys in Kenya: does their under-performance matter for planning malaria control?Caroline W Gitonga
Malaria Public Health Department, Kenya Medical Research Institute Wellcome Trust Collaborative Programme, Nairobi, Kenya
Am J Trop Med Hyg 87:1004-11. 2012..Use of polymerase chain reaction-corrected RDT results is recommended in school malaria surveys, especially in settings with low-to-moderate malaria transmission...
Malaria risk mapping for control in the republic of SudanAbdisalan M Noor
Malaria Public Health Cluster, Centre for Geographic Medicine, KEMRI University of Oxford Wellcome Trust Research Programme, Kenyatta National Hospital Grounds, Nairobi, Kenya
Am J Trop Med Hyg 87:1012-21. 2012..About 80% of Sudan's population in 2011 was in the areas in the desert, urban centers, or where risk was < 1% PfPR(2-10). Aggregated data suggest reducing risks in some high transmission areas since the 1960s...
The use of schools for malaria surveillance and programme evaluation in AfricaSimon Brooker
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, Nairobi, Kenya
Malar J 8:231. 2009..Finally, areas requiring further investigation are highlighted...
The use of formal and informal curative services in the management of paediatric fevers in four districts in KenyaAbdinasir A Amin
Kenya Medical Research Institute Wellcome Trust Collaborative Programme, Nairobi, Kenya
Trop Med Int Health 8:1143-52. 2003..To assess the sources, costs, timing and types of treatment for fevers among children under 5 years of age in four ecologically distinct districts of Kenya...
The decline in paediatric malaria admissions on the coast of KenyaEmelda A Okiro
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine Research Coast, Kenya Medical Research Institute Wellcome Trust Research Programme, P, O, Box 43640, 00100 GPO, Nairobi, Kenya
Malar J 6:151. 2007..There is only limited information on the health impact of expanded coverage of malaria control and preventative strategies in Africa...
Evaluating different dimensions of programme effectiveness for private medicine retailer malaria control interventions in KenyaTimothy O Abuya
Centre for Geographic Medicine Research, Kenya Medical Research Institute, Kilifi, Kenya
PLoS ONE 5:e8937. 2010..Key components of this evaluation were measurement of program performance, including coverage, PMR knowledge, practices, and utilization based on spatial analysis...
Childhood Malaria Admission Rates to Four Hospitals in Malawi between 2000 and 2010Emelda A Okiro
Malaria Public Health Department, Kenya Medical Research Institute Wellcome Trust University of Oxford Collaborative Programme, Nairobi, Kenya Centre for Tropical Medicine, Nuffield Department of Medicine, University of Oxford, Oxford, United Kingdom
PLoS ONE 8:e62214. 2013..However, there is only limited country-specific information on the health impact of expanded coverage of these interventions...
Mosquito nets in a rural area of Western Kenya: ownership, use and qualitySophia Githinji
Malaria Public Health and Epidemiology Group, Centre for Geographic Medicine, KEMRI Wellcome Trust Collaborative Programme, Kenyatta National Hospital Grounds P, O, Box 43640 00100, Nairobi, Kenya
Malar J 9:250. 2010..Insecticide-treated nets (ITNs) are regarded as one of the most effective strategies to prevent malaria in Africa. This study analyses the use and quality of nets owned by households in an area of high net coverage...
The Malaria Transition on the Arabian Peninsula: Progress toward a Malaria-Free Region between 1960-2010Robert W Snow
Malaria Public Health Department, Kenya Medical Research Institute Wellcome Trust University of Oxford Programme, GPO, Nairobi, Kenya Center for Tropical Medicine, Nuffield Department of Clinical Medicine, University of Oxford, Oxford, UK
Adv Parasitol 82:205-51. 2013..This initiative led a further shrinking of the malaria risk map and today locally acquired clinical cases of malaria are reported only in Saudi Arabia and Yemen, with the latter contributing to over 98% of the clinical burden...
How well are malaria maps used to design and finance malaria control in Africa?Judy A Omumbo
Malaria Public Health Department, Kenya Medical Research Institute Oxford University Wellcome Trust Research Programme, Nairobi, Kenya
PLoS ONE 8:e53198. 2013..The use of cartography in planning malaria control has never been methodically reviewed...
Performance of forecasting, warning and detection of malaria epidemics in the highlands of western KenyaSimon Hay
Department of Zoology, University of Oxford, UK
Trends Parasitol 19:394-9. 2003..What was conspicuous by its absence was any obvious effort to predict the epidemics in advance of press coverage...
Forecasting, warning, and detection of malaria epidemics: a case studySimon I Hay
TALA Research Group, Department of Zoology, University of Oxford, South Parks Road, OX1 3PS, Oxford, UK
Lancet 361:1705-6. 2003..Management of malaria in the highlands, including improved planning for the annual resurgent outbreak, augmented by simple central nationwide early warning, represents a feasible strategy for increasing epidemic preparedness in Kenya...
Defining and detecting malaria epidemics in the highlands of western KenyaSimon I Hay
Department of Zoology, University of Oxford, Oxford, United Kingdom
Emerg Infect Dis 8:555-62. 2002..The performance of these methods is discussed and comments made about their appropriateness for the highlands of western Kenya...
The global distribution and population at risk of malaria: past, present, and futureSimon I Hay
TALA Research Group, Department of Zoology, University of Oxford, Oxford, UK
Lancet Infect Dis 4:327-36. 2004....
Empirical modelling of government health service use by children with fevers in KenyaPeter W Gething
School of Electronics and Computer Science, University of Southampton, Highfield, SO17 1BJ, UK
Acta Trop 91:227-37. 2004..Utilization rate was found to exhibit a slight but steady decrease with distance up to 6 km from a facility. The accuracy of the future modelling of unsampled facility catchments can be increased by the incorporation of these trends...
Improving imperfect data from health management information systems in Africa using space-time geostatisticsPeter W Gething
School of Geography, University of Southampton, Southampton, United Kingdom
PLoS Med 3:e271. 2006..Faced with this inadequacy, vital public health decisions often rely on crudely adjusted regional and national estimates of treatment burdens...
The global distribution of clinical episodes of Plasmodium falciparum malariaRobert W Snow
Public Health Group, KEMRI Wellcome Trust Research Laboratories PO Box 43640, 00100 Nairobi, Kenya
Nature 434:214-7. 2005..Without an informed understanding of the cartography of malaria risk, the global extent of clinical disease caused by P. falciparum will continue to be underestimated...
