EthiopiaElephantiasisEpithelial-Mesenchymal TransitionTrichiasisCathaPhase TransitionRural PopulationTransition ElementsTransition to Adult CareCross-Sectional StudiesEthnobotanyTrachomaLymphangitisToilet FacilitiesNeglected DiseasesPrevalenceMedicine, African TraditionalDeveloping CountriesMalariaThermodynamics