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14 papers found.
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Assessing malaria risk at night-time venues in a low-transmission setting: a time-location sampling study in Zambezi, Namibia

Identifying efficient and effective strategies to reach and monitor populations at greatest risk of malaria in low-transmission settings is a key challenge for malaria elimination. In Namibia’s Zambezi Region, transmission is ongoing yet its drivers remain poorly understood. A growing literature suggests that night-time social activities may lead to malaria exposure that is...

Spatial clustering of patent and sub-patent malaria infections in northern Namibia: Implications for surveillance and response strategies for elimination

analysis: Jennifer L. Smith. Funding acquisition: Roly Gosling. Investigation: Joyce Auala, Munyaradzi Tambo, Erastus Haindongo. Methodology: Jennifer L. Smith, Roly Gosling, Immo Kleinschmidt, Davis ... Mumbengegwi, Hugh J. W. Sturrock. Project administration: Davis Mumbengegwi, Hugh J. W. Sturrock. 11 / 13 Supervision: Davis Mumbengegwi, Hugh J. W. Sturrock. Visualization: Jennifer L. Smith. Writing

Multilevel Analysis of Trachomatous Trichiasis and Corneal Opacity in Nigeria: The Role of Environmental and Climatic Risk Factors on the Distribution of Disease

in Nigeria, supporting anecdotal evidence that environmental conditions are associated with increased risk in this - Funding: Jennifer L. Smith was supported by the International Trachoma Initiative

Global numbers of infection and disease burden of soil transmitted helminth infections in 2010

Background Quantifying the burden of parasitic diseases in relation to other diseases and injuries requires reliable estimates of prevalence for each disease and an analytic framework within which to estimate attributable morbidity and mortality. Here we use data included in the Global Atlas of Helminth Infection to derive new global estimates of numbers infected with intestinal...

The Epidemiology of Soil-Transmitted Helminths in Bihar State, India

Background Soil-transmitted helminths (STHs) infect over a billion individuals worldwide. In India, 241 million children are estimated to need deworming to avert the negative consequences STH infections can have on child health and development. In February-April 2011, 17 million children in Bihar State were dewormed during a government-led school-based deworming campaign. Prior...

Comparing the Performance of Cluster Random Sampling and Integrated Threshold Mapping for Targeting Trachoma Control, Using Computer Simulation

Background Implementation of trachoma control strategies requires reliable district-level estimates of trachomatous inflammation–follicular (TF), generally collected using the recommended gold-standard cluster randomized surveys (CRS). Integrated Threshold Mapping (ITM) has been proposed as an integrated and cost-effective means of rapidly surveying trachoma in order to classify...

The Geographical Distribution and Burden of Trachoma in Africa

Background There remains a lack of epidemiological data on the geographical distribution of trachoma to support global mapping and scale up of interventions for the elimination of trachoma. The Global Atlas of Trachoma (GAT) was launched in 2011 to address these needs and provide standardised, updated and accessible maps. This paper uses data included in the GAT to describe the...

Spatial Modelling of Soil-Transmitted Helminth Infections in Kenya: A Disease Control Planning Tool

Background Implementation of control of parasitic diseases requires accurate, contemporary maps that provide intervention recommendations at policy-relevant spatial scales. To guide control of soil transmitted helminths (STHs), maps are required of the combined prevalence of infection, indicating where this prevalence exceeds an intervention threshold of 20%. Here we present a...

An updated atlas of human helminth infections: the example of East Africa

Background Reliable and updated maps of helminth (worm) infection distributions are essential to target control strategies to those populations in greatest need. Although many surveys have been conducted in endemic countries, the data are rarely available in a form that is accessible to policy makers and the managers of public health programmes. This is especially true in sub...