Mathematical models for parasites and vectors
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Assessing the impact of intervention strategies against Taenia solium cysticercosis using the EPICYST transmission model
The pork tapeworm, Taenia solium, and associated human infections, taeniasis, cysticercosis and neurocysticercosis, are serious public health problems, especially in developing countries. The World Health Organiz...Parasites & Vectors 2017 10:73Development and evaluation of a Markov model to predict changes in schistosomiasis prevalence in response to praziquantel treatment: a case study of Schistosoma mansoni in Uganda and Mali
Understanding whether schistosomiasis control programmes are on course to control morbidity and potentially switch towards elimination interventions would benefit from user-friendly quantitative tools that fac...Parasites & Vectors 2016 9:543Modelling Neglected Tropical Diseases diagnostics: the sensitivity of skin snips for Onchocerca volvulus in near elimination and surveillance settings
The African Programme for Onchocerciasis Control has proposed provisional thresholds for the prevalence of microfilariae in humans and of L3 larvae in blackflies, below which mass drug administration (MDA) wit...Parasites & Vectors 2016 9:343Vaccination control programs for multiple livestock host species: an age-stratified, seasonal transmission model for brucellosis control in endemic settings
Brucella melitensis causes production losses in ruminants and febrile disease in humans in Africa, Central Asia, the Middle East and elsewhere. Although traditionally understood to aff...Parasites & Vectors 2016 9:55Increased mortality attributed to Chagas disease: a systematic review and meta-analysis
The clinical outcomes associated with Chagas disease remain poorly understood. In addition to the burden of morbidity, the burden of mortality due to Trypanosoma cruzi infection can be substantial, yet its quanti...Parasites & Vectors 2016 9:42New approaches to measuring anthelminthic drug efficacy: parasitological responses of childhood schistosome infections to treatment with praziquantel
By 2020, the global health community aims to control and eliminate human helminthiases, including schistosomiasis in selected African countries, principally by preventive chemotherapy (PCT) through mass drug a...Parasites & Vectors 2016 9:41An economic evaluation of expanding hookworm control strategies to target the whole community
The WHO treatment guidelines for the soil-transmitted helminths (STH) focus on targeting children for the control of morbidity induced by heavy infections. However, unlike the other STHs, the majority of hookw...Parasites & Vectors 2015 8:570Estimation of changes in the force of infection for intestinal and urogenital schistosomiasis in countries with schistosomiasis control initiative-assisted programmes
The last decade has seen an expansion of national schistosomiasis control programmes in Africa based on large-scale preventative chemotherapy. In many areas this has resulted in considerable reductions in infe...Parasites & Vectors 2015 8:558Modelling the spatial distribution of the nuisance mosquito species Anopheles plumbeus (Diptera: Culicidae) in the Netherlands
Landscape modifications, urbanization or changes of use of rural-agricultural areas can create more favourable conditions for certain mosquito species and therefore indirectly cause nuisance problems for human...Parasites & Vectors 2015 8:258The potential impact of moxidectin on onchocerciasis elimination in Africa: an economic evaluation based on the Phase II clinical trial data
Spurred by success in several foci, onchocerciasis control policy in Africa has shifted from morbidity control to elimination of infection. Clinical trials have demonstrated that moxidectin is substantially mo...Parasites & Vectors 2015 8:167Modelling the potential geographic distribution of triatomines infected by Triatoma virus in the southern cone of South America
Triatoma virus (TrV) is the only entomopathogenous virus identified in triatomines. We estimated the potential geographic distribution of triatomine species naturally infected by TrV, using rem...Parasites & Vectors 2015 8:153Spatio-temporal analysis of malaria vectors in national malaria surveillance sites in China
To reveal the spatio-temporal distribution of malaria vectors in the national malaria surveillance sites from 2005 to 2010 and provide reference for the current National Malaria Elimination Programme (NMEP) in...Parasites & Vectors 2015 8:146Bayesian variable selection in modelling geographical heterogeneity in malaria transmission from sparse data: an application to Nouna Health and Demographic Surveillance System (HDSS) data, Burkina Faso
Quantification of malaria heterogeneity is very challenging, partly because of the underlying characteristics of mosquitoes and also because malaria is an environmentally driven disease. Furthermore, in order ...Parasites & Vectors 2015 8:118Predicting the effects of climate change on Schistosoma mansoni transmission in eastern Africa
Survival and fitness attributes of free-living and sporocyst schistosome life-stages and their intermediate host snails are sensitive to water temperature. Climate change may alter the geographical distributio...Parasites & Vectors 2015 8:4Modelling climate change impact on the spatial distribution of fresh water snails hosting trematodes in Zimbabwe
Freshwater snails are intermediate hosts for a number of trematodes of which some are of medical and veterinary importance. The trematodes rely on specific species of snails to complete their life cycle; hence...Parasites & Vectors 2014 7:536Fine scale Spatial-temporal cluster analysis for the infection risk of Schistosomiasis japonica using space-time scan statistics
Marching towards the elimination of schistosomiasis in China, both the incidence and prevalence have witnessed profound decline over the past decades, with the strategy shifting from morbidity control to trans...Parasites & Vectors 2014 7:578Recent and projected future climatic suitability of North America for the Asian tiger mosquito Aedes albopictus
Since the 1980s, populations of the Asian tiger mosquito Aedes albopictus have become established in south-eastern, eastern and central United States, extending to approximately 40°N. Ae. albopictus is a vector o...Parasites & Vectors 2014 7:532Spatio-temporal distribution of soil-transmitted helminth infections in Brazil
In Brazil, preventive chemotherapy targeting soil-transmitted helminthiasis is being scaled-up. Hence, spatially explicit estimates of infection risks providing information about the current situation are need...Parasites & Vectors 2014 7:440Quantitative factors proposed to influence the prevalence of canine tick-borne disease agents in the United States
The Companion Animal Parasite Council hosted a meeting to identify quantifiable factors that can influence the prevalence of tick-borne disease agents among dogs in North America. This report summarizes the ap...Parasites & Vectors 2014 7:417Epidemiology of dengue in a high-income country: a case study in Queensland, Australia
Australia is one of the few high-income countries where dengue transmission regularly occurs. Dengue is a major health threat in North Queensland (NQ), where the vector Aedes aegypti is present. Whether NQ should...Parasites & Vectors 2014 7:379Where to deliver baits for deworming urban red foxes for Echinococcus multilocularis control: new protocol for micro-habitat modeling of fox denning requirements
Deworming wild foxes by baiting with the anthelmintic praziquantel is being established as a preventive technique against environmental contamination with Echinococcus multilocularis eggs. Improvement of the cost...Parasites & Vectors 2014 7:357Multilevel and geo-statistical modeling of malaria risk in children of Burkina Faso
Previous research on determinants of malaria in Burkina Faso has largely focused on individual risk factors. Malaria risk, however, is also shaped by community, health system, and climatic/environmental charac...Parasites & Vectors 2014 7:350Exploratory space-time analysis of dengue incidence in Trinidad: a retrospective study using travel hubs as dispersal points, 1998–2004
Dengue is an acute arboviral disease responsible for most of the illness and death in tropical and subtropical regions. Over the last 25 years there has been increase epidemic activity of the disease in the Ca...Parasites & Vectors 2014 7:341Global temperature constraints on Aedes aegypti and Ae. albopictus persistence and competence for dengue virus transmission
Dengue is a disease that has undergone significant expansion over the past hundred years. Understanding what factors limit the distribution of transmission can be used to predict current and future limits to f...Parasites & Vectors 2014 7:338The geographic distribution of onchocerciasis in the 20 participating countries of the African Programme for Onchocerciasis Control: (2) pre-control endemicity levels and estimated number infected
The original aim of the African Programme for Onchocerciasis Control (APOC) was to control onchocerciasis as a public health problem in 20 African countries. In order to identify all high risk areas where iver...Parasites & Vectors 2014 7:326Null allele, allelic dropouts or rare sex detection in clonal organisms: simulations and application to real data sets of pathogenic microbes
Pathogens and their vectors are organisms whose ecology is often only accessible through population genetics tools based on spatio-temporal variability of molecular markers. However, molecular tools may presen...Parasites & Vectors 2014 7:331Agent-based modeling of malaria vectors: the importance of spatial simulation
The modeling of malaria vector mosquito populations yields great insight into drivers of malaria transmission at the village scale. Simulation of individual mosquitoes as “agents” in a distributed, dynamic mod...Parasites & Vectors 2014 7:308Innovative tools for assessing risks for severe adverse events in areas of overlapping Loa loa and other filarial distributions: the application of micro-stratification mapping
The wide distribution of Loa loa infection (loiasis) throughout the Democratic Republic of Congo (DRC) is a major obstacle to the plans to eliminate onchocerciasis and lymphatic filariasis (LF) because the standa...Parasites & Vectors 2014 7:307A global set of Fourier-transformed remotely sensed covariates for the description of abiotic niche in epidemiological studies of tick vector species
Correlative modelling combines observations of species occurrence with environmental variables to capture the niche of organisms. It has been argued for the use of predictors that are ecologically relevant to ...Parasites & Vectors 2014 7:302Can chemotherapy alone eliminate the transmission of soil transmitted helminths?
Amongst the world’s poorest populations, availability of anthelmintic treatments for the control of soil transmitted helminths (STH) by mass or targeted chemotherapy has increased dramatically in recent years....Parasites & Vectors 2014 7:266Modelling the impact of ivermectin on River Blindness and its burden of morbidity and mortality in African Savannah: EpiOncho projections
The African Programme for Onchocerciasis Control (APOC) has refocused its goals on the elimination of infection where possible, seemingly achievable by 15–17 years of annual mass distribution of ivermectin in ...Parasites & Vectors 2014 7:241Global numbers of infection and disease burden of soil transmitted helminth infections in 2010
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 attributabl...Parasites & Vectors 2014 7:37Bayesian geostatistical modelling of soil-transmitted helminth survey data in the People’s Republic of China
Soil-transmitted helminth infections affect tens of millions of individuals in the People’s Republic of China (P.R. China). There is a need for high-resolution estimates of at-risk areas and number of people i...Parasites & Vectors 2013 6:359Physico-chemical and biological characterization of anopheline mosquito larval habitats (Diptera: Culicidae): implications for malaria control
A fundamental understanding of the spatial distribution and ecology of mosquito larvae is essential for effective vector control intervention strategies. In this study, data-driven decision tree models, genera...Parasites & Vectors 2013 6:320Temporal and micro-spatial heterogeneity in the distribution of Anopheles vectors of malaria along the Kenyan coast
The distribution of anopheline mosquitoes is determined by temporally dynamic environmental and human-associated variables, operating over a range of spatial scales. Macro-spatial short-term trends are driven ...Parasites & Vectors 2013 6:311Incorporating the effects of humidity in a mechanistic model of Anopheles gambiae mosquito population dynamics in the Sahel region of Africa
Low levels of relative humidity are known to decrease the lifespan of mosquitoes. However, most current models of malaria transmission do not account for the effects of relative humidity on mosquito survival. ...Parasites & Vectors 2013 6:235Slaving and release in co-infection control
Animal and human infection with multiple parasite species is the norm rather than the exception, and empirical studies and animal models have provided evidence for a diverse range of interactions among parasit...Parasites & Vectors 2013 6:157Modelling the geographical distribution of soil-transmitted helminth infections in Bolivia
The prevalence of infection with the three common soil-transmitted helminths (i.e. Ascaris lumbricoides, Trichuris trichiura, and hookworm) in Bolivia is among the highest in Latin America. However, the spatial d...Parasites & Vectors 2013 6:152Field transmission intensity of Schistosoma japonicum measured by basic reproduction ratio from modified Barbour’s model
Schistosomiasis japonica, caused by infection with Schistosoma japonicum, is still recognized as a major public health problem in the Peoples’ Republic of China. Mathematical modelling of schistosomiasis transmis...Parasites & Vectors 2013 6:141Predicting Culex pipiens/restuans population dynamics by interval lagged weather data
Culex pipiens/restuans mosquitoes are important vectors for a variety of arthropod borne viral infections. In this study, the associations between 20 years of mosquito capture data and the time lagged environment...Parasites & Vectors 2013 6:129Modelling the risk of being bitten by malaria vectors in a vector control area in southern Benin, west Africa
The diversity of malaria vector populations, expressing various resistance and/or behavioural patterns could explain the reduced effectiveness of vector control interventions reported in some African countries...Parasites & Vectors 2013 6:71Spatial abundance and clustering of Culicoides (Diptera: Ceratopogonidae) on a local scale
Biting midges, Culicoides, of the Obsoletus group and the Pulicaris group have been involved in recent outbreaks of bluetongue virus and the former was also involved in the Schmallenberg virus outbreak in nort...Parasites & Vectors 2013 6:43How malaria models relate temperature to malaria transmission
It is well known that temperature has a major influence on the transmission of malaria parasites to their hosts. However, mathematical models do not always agree about the way in which temperature affects mala...Parasites & Vectors 2013 6:20Mathematical evaluation of community level impact of combining bed nets and indoor residual spraying upon malaria transmission in areas where the main vectors are Anopheles arabiensis mosquitoes
Indoor residual insecticide spraying (IRS) and long-lasting insecticide treated nets (LLINs) are commonly used together even though evidence that such combinations confer greater protection against malaria tha...Parasites & Vectors 2013 6:17Topographic models for predicting malaria vector breeding habitats: potential tools for vector control managers
Identification of malaria vector breeding sites can enhance control activities. Although associations between malaria vector breeding sites and topography are well recognized, practical models that predict bre...Parasites & Vectors 2013 6:14Predicting the spatio-temporal distribution of Culicoides imicola in Sardinia using a discrete-time population model
Culicoides imicola KIEFFER, 1913 (Diptera: Ceratopogonidae) is the principal vector of Bluetongue disease in the Mediterranean basin, Africa and Asia. Previous studies have identified a range of eco-climatic vari...Parasites & Vectors 2012 5:270Spatial and temporal dynamics of malaria transmission in rural Western Kenya
Understanding the relationship between Plasmodium falciparum malaria transmission and health outcomes requires accurate estimates of exposure to infectious mosquitoes. However, measures of exposure such as mosqui...Parasites & Vectors 2012 5:86Modelling the impact of vector control interventions on Anopheles gambiae population dynamics
Intensive anti-malaria campaigns targeting the Anopheles population have demonstrated substantial reductions in adult mosquito density. Understanding the population dynamics of Anopheles mosquitoes throughout the...Parasites & Vectors 2011 4:153Modelling age-heterogeneous Schistosoma haematobium and S. mansoni survey data via alignment factors
Reliable maps of the geographical distribution, number of infected individuals and burden estimates of schistosomiasis are essential tools to plan, monitor and evaluate control programmes. Large-scale disease ...Parasites & Vectors 2011 4:142Modelling the global constraints of temperature on transmission of Plasmodium falciparum and P. vivax
Temperature is a key determinant of environmental suitability for transmission of human malaria, modulating endemicity in some regions and preventing transmission in others. The spatial modelling of malaria en...Parasites & Vectors 2011 4:92
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