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, Prof Patrick Kolsteren et Prof Jean-François Huneau, pour avoir accepté de m'encadrer. Thanks you for all your advices and comments which allowed me to go ahead and improve my scientific thinking. Vous m'avez donné des objectifs et m'avez guidé pour avancer au mieux sur ce long chemin de la thèse, Je tiens tout d'abord à remercier mes deux co-directeurs de thèse

, Merci à toi Myriam de m'avoir recruté et de m'avoir soutenu dans mon envie de faire une thèse. Merci de m'avoir donné la possibilité de monter et mener ce beau projet au sein d'Action Contre la Faim, Mes remerciements vont également à Myriam Ait Aissa

, Merci pour ton implication dans le projet, pour ton suivi même lorsque tu es parti de l'autre côté de l'Atlantique, pour tous tes conseils statistiques, pour le temps que tu as dégagé pour nous aider et pour toutes nos discussions sur les articles, Je voudrais également remercier très sincèrement le Dr Lieven Huygbregts

, Du Burkina Faso et de France, nous nous sommes bien complétés. Merci pour tout ce que tu as fait sur le terrain, pour tout ton super travail dans les villages. Je n'oublierai pas nos diners à la chandelle sans ventilateur à Kantchari ;-), Comment ne pas remercier Freddy Houngbe, également doctorant et mon co-équipier de projet et de thèse

, I also would like to thank all the members of the jury, for being part of the jury and for all the feedbacks they will make to improve this version of the PhD thesis

, Thanks also to all the scientific partners on this project for their contribution: Dr Leisel Talley and Dr Carlos Navarro-Colorado from the Center for Disease Control and Prevention (USA)

M. Dr, D. Yamaego, and . Leaticia-nikiema,

P. Hermann, . Adèle, . Souglimpo, . Haadi, . Nestor et al., Anne et Thomas, à l'équipe de coordination, à l'équipe de Diapaga. Et surtout un grand merci à toute l'équipe MAM'Out sur place qui a oeuvré pendant plus de deux ans sur le projet, Merci à la mission ACF Burkina Faso qui nous a ouvert ses portes et permis de mettre en oeuvre ce projet dans le pays des hommes intègres