Balla Kandeh

ORCID: 0000-0003-2989-7328
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Research Areas
  • Mosquito-borne diseases and control
  • Malaria Research and Control
  • Parasites and Host Interactions
  • Global Maternal and Child Health
  • Insect Resistance and Genetics
  • COVID-19 epidemiological studies
  • Insect Pest Control Strategies
  • Viral Infections and Outbreaks Research
  • Agricultural pest management studies
  • Olfactory and Sensory Function Studies
  • Viral Infections and Vectors
  • Field-Flow Fractionation Techniques
  • Agriculture and Rural Development Research
  • Zoonotic diseases and public health
  • Healthcare Systems and Public Health
  • Microplastics and Plastic Pollution
  • Agroforestry and silvopastoral systems
  • HIV/AIDS Impact and Responses

Ministry of Health and Social Welfare
2019-2022

BackgroundSeasonal malaria chemoprevention (SMC) aims to prevent in children during the high transmission season. The Achieving Catalytic Expansion of SMC Sahel (ACCESS-SMC) project sought remove barriers scale-up seven countries 2015 and 2016. We evaluated project, including coverage, effectiveness intervention, safety, feasibility, drug resistance, cost-effectiveness.MethodsFor this observational study, we collected data on delivery, effectiveness, influence costs impact incidence...

10.1016/s0140-6736(20)32227-3 article EN cc-by-nc-nd The Lancet 2020-12-01

IntroductionUnprecedented improvements in housing are occurring across much of rural sub-Saharan Africa, but the consequences these changes on malaria transmission remain poorly explored. We examined how different typologies affect mosquito house entry and indoor climate.MethodsFive mud-block houses were constructed Gambia: four traditional designs with fitted doors one was a novel design gable windows to improve ventilation. In each house, male volunteer slept under bednet mosquitoes...

10.1016/s2542-5196(18)30234-1 article EN cc-by The Lancet Planetary Health 2018-11-01

Abstract Background Mosquito larval control may prove to be an effective tool for incorporating into integrated vector management (IVM) strategies reducing malaria transmission. Here the efficacy of microbial larvicides against Anopheles gambiae s.l. was tested in preparation a large-scale larviciding programme The Gambia. Methods impact water-dispersible (WDG) and corn granule (CG) formulations commercial Bacillus sphaericus strain 2362 ( Bs ; VectoLex ® ) thuringiensis var. israelensis...

10.1186/1475-2875-6-76 article EN cc-by Malaria Journal 2007-06-07

In The Gambia, metal-roof houses were hotter during the day than thatched-roof houses. After 24 h, mortality of Anopheles gambiae, principal African malaria vector, was 38% higher in thatched ones. During day, mosquitoes moved from hot roof to cooler places near floor, where temperature still high, reaching 35 °C. laboratory studies, at °C few survived 10 days, minimum period required for parasite development. Analysis epidemiological data showed there less and lower vector survival rates...

10.1038/s41598-019-43816-0 article EN cc-by Scientific Reports 2019-05-23

In malaria-endemic areas, residents of modern houses have less malaria than those living in traditional houses. This study will determine if housing provides incremental protection against clinical over the current best practice long-lasting insecticidal nets (LLINs) and prompt treatment The Gambia, cost-effectiveness interventions, analyze market Gambia. A two-armed, household, cluster-randomized, controlled be conducted to assess whether improved LLINs combine provide better children alone...

10.1186/s13063-016-1400-7 article EN cc-by Trials 2016-06-02

Despite compelling evidence that modern housing protects against malaria, houses in endemic areas are still commonly porous to mosquitoes. The protective efficacy of four prototype screened doors and two windows designs mosquito house entry, their impact on indoor climate, as well use, durability acceptability was assessed a Gambian village. A baseline survey collected data all the discrete household units, each consisting front back room, were selected randomly allocated study arms. Each...

10.4269/ajtmh.18-0660 article EN cc-by American Journal of Tropical Medicine and Hygiene 2018-10-23

In malaria-endemic areas, residents of modern houses have less malaria than those living in traditional houses. We aimed to assess whether children The Gambia received an incremental benefit from improved housing, where current best practice insecticide-treated nets, indoor residual spraying, seasonal chemoprevention younger 5 years, and prompt treatment against clinical was place.

10.1016/s2542-5196(21)00002-4 article EN cc-by The Lancet Planetary Health 2021-04-01

In sub-Saharan Africa, cooler houses would increase the coverage of insecticide-treated bednets, primary malaria control tool. We examined whether improved ventilation, using windows screened with netting, cools at night and reduces mosquito house entry in The Gambia. Identical were constructed, badly fitting doors only points. Two men slept each mosquitoes captured light traps. First, temperature density compared four 0, 1, 2 3 windows. Second, carbon dioxide (CO ), a major attractant, was...

10.1098/rsif.2020.1030 article EN cc-by Journal of The Royal Society Interface 2021-05-01

With a decline in malaria burden, innovative interventions and tools are required to reduce transmission further. Mass drug administration (MDA) of artemisinin-based combination therapy (ACT) has been identified as potential tool further transmission, where coverage vector control is already high. However, the impact limited time. Combining an ACT with endectocide treatment that able survival, such ivermectin (IVM), could increase MDA offer new transmission.The study objective evaluate IVM...

10.2196/20904 article EN cc-by JMIR Research Protocols 2020-08-04

Vector control activities, namely long-lasting insecticidal nets (LLIN) and indoor residual spraying (IRS), have contributed significantly to the decreasing malaria burden observed in The Gambia since 2008. Nevertheless, insecticide resistance may threaten such success; it is important regularly assess susceptibility of local vectors available insecticides. In transmission seasons 2016 2017, Anopheles gambiae (s.l.) larvae were sampled or around nine vector surveillance sentinel sites...

10.1186/s13071-019-3538-0 article EN cc-by Parasites & Vectors 2019-06-04

Abstract Arboviral diseases such as dengue, Zika and chikungunya transmitted by Aedes mosquitoes have been reported in 34 African countries. Available data indicate that recent years there dengue outbreaks the West Africa subregion, countries including Côte d’Ivoire, Burkina Faso, Gabon, Senegal, Benin. These viral are causing an increased public health burden, which impedes poverty reduction sustainable development. surveillance control capacity, key to reducing prevalence of arboviral...

10.1186/s13071-022-05507-0 article EN cc-by Parasites & Vectors 2022-10-21

Mobile phones are increasingly used in community health programmes, but the use of video job-aids that can be displayed on smart has not been widely exploited. We investigated to support delivery seasonal malaria chemoprevention (SMC) countries West and Central Africa. The study was prompted by need for training tools could a socially distanced manner during COVID-19 pandemic. Animated videos were developed English, French, Portuguese, Fula Hausa, illustrating key steps administering SMC...

10.1371/journal.pdig.0000165 article EN cc-by PLOS Digital Health 2022-12-22

<sec> <title>BACKGROUND</title> With a decline in malaria burden, innovative interventions and tools are required to reduce transmission further. Mass drug administration (MDA) of artemisinin-based combination therapy (ACT) has been identified as potential tool further transmission, where coverage vector control is already high. However, the impact limited time. Combining an ACT with endectocide treatment that able survival, such ivermectin (IVM), could increase MDA offer new transmission....

10.2196/preprints.20904 preprint EN 2020-06-03
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