Publications by authors named "Bertin N'cho Tchiekoi"
Article Synopsis
- Malaria remains a significant health issue in Côte d'Ivoire, despite the widespread use of long-lasting insecticidal nets (LLINs) aimed at prevention.
- The study utilized a cross-sectional design to assess LLIN effectiveness by measuring human exposure to mosquito bites in urban Bouaké through antibody responses in participants of different ages.
- Results showed that individuals consistently using LLINs had lower IgG response levels to a specific salivary peptide, indicating reduced exposure, and highlighted the need for tailored interventions to enhance LLIN usage and effectiveness based on various demographic factors.
Background: Twenty-seven villages were selected in southwest Burkina Faso to implement new vector control strategies in addition to long lasting insecticidal nets (LLINs) through a Randomized Controlled Trial (RCT). We conducted entomological surveys in the villages during the dry cold season (January 2017), dry hot season (March 2017) and rainy season (June 2017) to describe malaria vectors bionomics, insecticide resistance and transmission prior to this trial.
Methods: We carried out hourly catches (from 17:00 to 09:00) inside and outside 4 houses in each village using the Human Landing Catch technique.
Article Synopsis
- This study investigated how exposure to mosquito bites affects children's immune responses to malaria vaccine candidates in Côte d'Ivoire.
- Results showed that children with high exposure to Anopheles mosquito bites had significantly lower antibody responses to one specific malaria antigen (PfMSP1), while responses to another antigen (PfAMA1) were not affected.
- Findings suggest that compounds in the saliva of Anopheles mosquitoes may influence the immune system's response to malaria pathogens.
A better understanding of malaria transmission at a local scale is essential for developing and implementing effective control strategies. In the framework of a randomized controlled trial (RCT), we aimed to provide an updated description of malaria transmission in the Korhogo area, northern Côte d'Ivoire, and to obtain baseline data for the trial. We performed human landing collections (HLCs) in 26 villages in the Korhogo area during the rainy season (September-October 2016, April-May 2017) and the dry season (November-December 2016, February-March 2017).
View Article and Find Full Text PDFBackground: Biotic and abiotic factors have been reported to affect the larvicidal efficacy of Bacillus thuringiensis israelensis (Bti) and Bacillus sphaericus (Bs), although the extent to which they are affected has been poorly documented. This paper studies the effect of sunlight exposure on the efficacy of a new larvicide formulation based on both Bti and Bs, herein after referred to as BTBSWAX, applied against two different larval stages.
Methods: The emergence of inhibition exhibited by BTBSWAX at three different dosages (1 g/m, 1.
Article Synopsis
- Urban malaria poses a significant health risk in African cities, and this study examined the level of exposure to mosquito bites using a specific salivary biomarker (gSG6-P1).
- Two cross-sectional studies conducted in Bouaké city, during both rainy and dry seasons, analyzed blood samples from children aged 6 months to 14 years to measure their immune response to the biomarker.
- The findings revealed that antibody levels were higher in the rainy season, and children in urban areas experienced exposure to malaria risks similar to those in rural areas, indicating the need for further monitoring and intervention in urban settings.