Leo Braack
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View article: Population genomics of Aedes albopictus across remote Pacific islands for genetic biocontrol considerations
Population genomics of Aedes albopictus across remote Pacific islands for genetic biocontrol considerations Open
Remote Pacific islands (RPI) are characterized by ecological isolation, diverse endemic species, and vulnerability to invasive organisms due to globalization-driven connectivity. Among these species, Aedes albopictus , a highly invasive ve…
View article: School and community driven dengue vector control and monitoring in Myanmar: Study protocol for a cluster randomized controlled trial
School and community driven dengue vector control and monitoring in Myanmar: Study protocol for a cluster randomized controlled trial Open
Background Dengue is the most common and widespread mosquito-borne arboviral disease globally estimated to cause >390 million infections and >20,000 deaths annually. There are no effective preventive drugs and the newly introduced vaccines…
View article: Species Composition, Seasonal Abundance, and Biting Behavior of Malaria Vectors in Rural Conhane Village, Southern Mozambique
Species Composition, Seasonal Abundance, and Biting Behavior of Malaria Vectors in Rural Conhane Village, Southern Mozambique Open
Malaria vector surveillance provides important data to inform the effective planning of vector control interventions at a local level. The aim of this study was to determine the species diversity and abundance, biting activity, and Plasmod…
View article: Survey of West Nile and Banzi Viruses in Mosquitoes, South Africa, 2011–2018
Survey of West Nile and Banzi Viruses in Mosquitoes, South Africa, 2011–2018 Open
We collected >40,000 mosquitoes from 5 provinces in South Africa during 2011-2018 and screened for zoonotic flaviviruses. We detected West Nile virus in mosquitoes from conservation and periurban sites and potential new mosquito vectors; B…
View article: Morphological and Molecular Characterization Using Genitalia and CoxI Barcode Sequence Analysis of Afrotropical Mosquitoes with Arbovirus Vector Potential
Morphological and Molecular Characterization Using Genitalia and CoxI Barcode Sequence Analysis of Afrotropical Mosquitoes with Arbovirus Vector Potential Open
Potential arboviral Afrotropical mosquito vectors are underrepresented in public databases of CoxI barcode sequences. Furthermore, available CoxI sequences for many species are often not associated with voucher specimens to match the corre…
View article: School and community driven dengue vector control and monitoring in Myanmar: Study protocol for a cluster randomized controlled trial
School and community driven dengue vector control and monitoring in Myanmar: Study protocol for a cluster randomized controlled trial Open
Background. Dengue is the most common and widespread mosquito-borne arboviral disease globally estimated to cause >390 million infections and >20,000 deaths annually. There are no effective vaccines or preventive drugs. Control of dengue …
View article: School and community driven dengue vector control and monitoring in Myanmar: Study protocol for a cluster randomized controlled trial
School and community driven dengue vector control and monitoring in Myanmar: Study protocol for a cluster randomized controlled trial Open
BackgroundDengue is the most common and widespread mosquito-borne arboviral disease globally estimated to cause >390 million infections and >20,000 deaths annually. There are no effective vaccines or preventive drugs. Control of dengue tra…
View article: Social acceptance and practicality of cattle-administered endectocides for malaria control in Vhembe District, Limpopo Province, South Africa
Social acceptance and practicality of cattle-administered endectocides for malaria control in Vhembe District, Limpopo Province, South Africa Open
Background : Malaria continues to be a leading cause of morbidity and mortality in Africa and conventional malaria control strategies such as indoor residual spraying (IRS) and insecticide-treated bednets (ITNs) are increasingly losing the…
View article: Entomological outcomes of cluster-randomised, community-driven dengue vector-suppression interventions in Kampong Cham province, Cambodia
Entomological outcomes of cluster-randomised, community-driven dengue vector-suppression interventions in Kampong Cham province, Cambodia Open
Cambodia has one of the highest dengue infection rates in Southeast Asia. Here we report quantitative entomological results of a large-scale cluster-randomised trial assessing the impact on vector populations of a package of vector control…
View article: Aedes species (Diptera: Culicidae) ecological and host feeding patterns in the north-eastern parts of South Africa, 2014–2018
Aedes species (Diptera: Culicidae) ecological and host feeding patterns in the north-eastern parts of South Africa, 2014–2018 Open
Background There is a paucity of recent data and knowledge on mosquito diversity and potential vectors of arboviruses in South Africa, with most of the available data dating back to the 1950s–1970s. Aedes and Culex species are the major ve…
View article: Navigating the COVID-19 Crisis to Sustain Community-Based Malaria Interventions in Cambodia
Navigating the COVID-19 Crisis to Sustain Community-Based Malaria Interventions in Cambodia Open
Cambodia has made impressive progress in reducing malaria trends and, in 2018, reported no malaria-related deaths for the first time. However, the coronavirus disease (COVID-19) pandemic presents a potential challenge to the country's goal…
View article: The effect of cattle-administered ivermectin and fipronil on the mortality and fecundity of Anopheles arabiensis Patton.
The effect of cattle-administered ivermectin and fipronil on the mortality and fecundity of Anopheles arabiensis Patton. Open
Background Malaria control primarily depends on two vector control strategies; indoor residual spraying (IRS) and long-lasting insecticide-treated nets (LLIN). Both IRS and LLIN target indoor-biting mosquitoes. However, some of the most im…
View article: The importance of building community trust for sustained health interventions during disruptive events such as COVID-19: A Cambodia case study
The importance of building community trust for sustained health interventions during disruptive events such as COVID-19: A Cambodia case study Open
Cambodia has made impressive progress in reducing malaria trends and, in 2018, reported no malaria related deaths for the first time. However, the novel coronavirus SARS-CoV-2 (COVID-19) pandemic presents a potential challenge to the count…
View article: The Importance of Building Community Trust for Sustained Malaria Elimination Interventions During Unforeseen Major Disruptive Events Such as COVID-19: A Cambodia Case Study
The Importance of Building Community Trust for Sustained Malaria Elimination Interventions During Unforeseen Major Disruptive Events Such as COVID-19: A Cambodia Case Study Open
Background Impressive progress in reducing malaria trends combined with the 2018 report of no malaria related deaths for the first time, puts Cambodia well on track to reaching its malaria elimination goals. However, the novel coronavirus …
View article: Malaria Vectors and Vector Surveillance in Limpopo Province (South Africa): 1927 to 2018
Malaria Vectors and Vector Surveillance in Limpopo Province (South Africa): 1927 to 2018 Open
Despite the annual implementation of a robust and extensive indoor residual spraying programme against malaria vectors in Limpopo Province (South Africa), significant transmission continues and is a serious impediment to South Africa’s mal…
View article: Mosquito community composition and abundance at contrasting sites in northern South Africa, 2014–2017
Mosquito community composition and abundance at contrasting sites in northern South Africa, 2014–2017 Open
Most data on species associations and vector potential of mosquitoes in relation to arboviral infections in South Africa date back from the 1940s to late 1990s. Contextual information crucial for disease risk management and control, such a…
View article: Complete mitogenome sequence of <i>Aedes</i> (Stegomyia) <i>aegypti</i> derived from field isolates from California and South Africa
Complete mitogenome sequence of <i>Aedes</i> (Stegomyia) <i>aegypti</i> derived from field isolates from California and South Africa Open
The Aedes aegypti mitogenome (Mt) sequences of field isolates from California and South Africa revealed a deletion between position 14,522 and 14,659 of the Mt contig of the AaegL5 reference genome. The length of the mitogenome of the Cali…
View article: Additional file 1: of Mosquito community composition in South Africa and some neighboring countries
Additional file 1: of Mosquito community composition in South Africa and some neighboring countries Open
Table S1. Mosquito species capture data and disease vector status for each of the mosquito species captured. (XLSX 31 kb)
View article: Comparative morphological and molecular analysis confirms the presence of the West Nile virus mosquito vector, Culex univittatus, in the Iberian Peninsula
Comparative morphological and molecular analysis confirms the presence of the West Nile virus mosquito vector, Culex univittatus, in the Iberian Peninsula Open
This survey demonstrates that the West Nile virus vector Cx. univittatus is present in the Iberian Peninsula.
View article: Comparing efficacy of a sweep net and a dip method for collection of mosquito larvae in large bodies of water in South Africa
Comparing efficacy of a sweep net and a dip method for collection of mosquito larvae in large bodies of water in South Africa Open
In this study we tested an alternative method for collecting mosquito larvae called the sweep net catch method and compared its efficiency to that of the traditional dip method. The two methods were compared in various water bodies within …
View article: Large contractors in Africa: conundrums with malaria chemoprophylaxis
Large contractors in Africa: conundrums with malaria chemoprophylaxis Open
The lack of clear understanding regarding functioning of NAI and its role in malaria elimination campaigns, concerns about drug resistance and appropriate drug choice, lack of studies in the use of IPT in people other than pregnant women a…