Evaluation at the Level of Health Facilities, of the Protective Efficacy of LLINs in Children under 5 Years Old from Localities of Low and High Resistance of Vectors to Pyrethroid Insecticides in Benin in West Africa

Filémon, Tokponnon Tatchémè; Razaki, Ossè; Sovi, Arthur; Abel, Wakpo; Aurore, Hounto Ogouyémi; Sissinto, Yolande; Adechoubou, Alioun; Houansou, Telesphore; Okè, Mariam; Dorothée, Kinde-Gazard; Massougbodji, Achille; Akogbéto, Martin

doi:10.4236/aid.2022.121005

Cited by 3 publications

(7 citation statements)

References 28 publications

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“…The socio-demographic characteristics of the children included in this study are similar to those described in previously published epidemiological studies [29]. Thus, 240 children were recruited from the 4 health facilities participating in the study.…”

Section: Socio-demographic Characteristics Of the Children And Net Usedmentioning

confidence: 74%

“…The immunological results obtained on the evaluation of the impact of vector resistance on LLIN efficacy confirm the epidemiological data that did not show any difference between the two categories of localities. The results of the transmission assessment work conducted in the same period in the study area in a short duration had not noted any difference between high and low resistance localities as well as other epidemiological data of the area [29] [39] [40].…”

Section: Discussionmentioning

confidence: 99%

“…When considering the status of the villages, the rate of use is 68.0% in the high resistance zone and 74.2% (69 children) in the low resistance zone with no significant difference (p = 0.3). The use of impregnated mosquito nets the day before the survey, the frequency of use of impregnated mosquito nets during the two weeks preceding the day of the survey, the availability of impregnated mosquito nets at the household level, and the use of other means of protection against mosquito bites were the same in both groups of children (cases and controls) (p > 0.05) in both low and high vector resistance localities [29].…”

Section: Socio-demographic Characteristics Of the Children And Net Usedmentioning

confidence: 90%

“…This is a cross-sectional case-control study with one control for one case that started in November 2011 and ended in July 2012 in the above-mentioned communes. The epidemiological results were published in 2022 by Tokponnon et al [29].…”

Section: Type Of Study Sampling and Study Populationmentioning

confidence: 98%

“…The samples used in this study were collected as part of a case-control study whose objective was to evaluate the effect of LLIN use on malaria morbidity in clusters of low and high vector resistance to pyrethroids [29]. Dried blood drops (DBD) on Whatman ® 903 paper were collected for passive case detection, conducted between December 2011 and July 2012 in four hospitals in four communes (Pobè, Kétou, Sakété, and Ifangni) of the Plateau department [29].…”

Section: Study Area Sample Selectionmentioning

confidence: 99%

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Evaluation of the Anti-Salivary IgG Response Specific to Anopheles Vectors of Malaria in Children under Five Seen in Health Care Settings in Areas of Low and High Insecticide Resistance in Southern Benin

Filémon,

Razaki,

Herbert

et al. 2023

AID

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The widespread use of long-lasting insecticidal nets (LLINs) is a major intervention method for malaria control. While coverage of LLINs has increased, there is a need for information on the operational effectiveness of nets deployed in the field in the context of malaria vector resistance to insecticides used for impregnation. The development of specific anti-malarial biomarkers to assess exposure to mosquito bites is an important development in evaluations. The aim of this study was to characterize the human IgG antibody response to Anopheles gSG6-P1 saliva, a salivary peptide antigen previously shown to be a relevant biomarker of human exposure to Anopheles bites, in order to assess the LLINs under field conditions in areas of low and high vector resistance to insecticides. We analyzed data from 240 randomly selected children (<5 years) of whom 70% were sleeping under LLINs in four (04) communes of Benin. No significant difference was observed in the expression of the anti-saliva IgG antibody in the different zones (high and low resistance zone) as well as in cases and controls (p > 0.05

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Section: Socio-demographic Characteristics Of the Children And Net Usedmentioning

confidence: 74%

Section: Discussionmentioning

confidence: 99%

Section: Socio-demographic Characteristics Of the Children And Net Usedmentioning

confidence: 90%

Section: Type Of Study Sampling and Study Populationmentioning

confidence: 98%

Section: Study Area Sample Selectionmentioning

confidence: 99%

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Evaluation of the Anti-Salivary IgG Response Specific to Anopheles Vectors of Malaria in Children under Five Seen in Health Care Settings in Areas of Low and High Insecticide Resistance in Southern Benin

Filémon,

Razaki,

Herbert

et al. 2023

AID

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Evaluation of the Positivity Rate of the Thick Drops and the Physical Integrity of the Nets Used by the Populations of Zogbo in the Cotonou Commune

2023

Infect Dis Ther

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Background: Malaria is a potentially fatal disease caused by parasites transmitted by the bites of infected female Anopheles mosquitoes. It is a preventable and curable disease. Thus, the use of insecticide-treated mosquito nets is a means of combating malaria. In this context, this study assessed the positivity rate of strawberry drops at the St Vincent de Paul hospital in Zogbo and the physical integrity of mosquito nets used by the population in the same locality. Methods:In order to determine the prevalence of malaria in the Saint Vincent de Paul hospital in Zogbo, we took venous and capillary samples from patients for thick blood tests from 31 May to 19 August 2022. We then interviewed 216 households including 100 positive patients in the Zogbo district in southern Benin over a period from 8 July to 19 August on the physical condition of the nets (torn, sewn, tied, frequency of washing, drying method, etc.) in order to assess their physical integrity.Results: Out of 863 thick drops performed, 686 were positive, representing a positivity rate of 79.49%. The household surveys revealed that the majority of respondents were uneducated married women. Indeed, all households own at least one long-lasting insecticide-treated net of three different brands, namely Dawa net and Olyset net in particular and Permanet 2 and 3. However, all the nets observed were either with holes, tied in several places, loosely tied or sewn in several places. In addition, most households washed their nets three times in three months, a percentage of 66.20%, and 100% of households dried their nets in the sun. Conclusion:This study showed that there is a high prevalence of malaria at St Vincent de Paul Hospital, which is due to the loss of physical integrity of the nets. In addition to industry-prescribed recommendations to reduce malaria mortality and morbidity in endemic areas.

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Review on the Conventional and Herbal Alternatives in the Treatment of Haemorrhoids

2023

J Pharmacol Pharm Res

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Evaluation at the Level of Health Facilities, of the Protective Efficacy of LLINs in Children under 5 Years Old from Localities of Low and High Resistance of Vectors to Pyrethroid Insecticides in Benin in West Africa

Cited by 3 publications

References 28 publications

Evaluation of the Anti-Salivary IgG Response Specific to Anopheles Vectors of Malaria in Children under Five Seen in Health Care Settings in Areas of Low and High Insecticide Resistance in Southern Benin

Evaluation of the Anti-Salivary IgG Response Specific to Anopheles Vectors of Malaria in Children under Five Seen in Health Care Settings in Areas of Low and High Insecticide Resistance in Southern Benin

Evaluation of the Positivity Rate of the Thick Drops and the Physical Integrity of the Nets Used by the Populations of Zogbo in the Cotonou Commune

Review on the Conventional and Herbal Alternatives in the Treatment of Haemorrhoids

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