21. Con limpieza el colera tropieza no lo dejemos entrar a nuestra casa Publication: [Mexico : SSA, 19--] Subject(s): Cholera -- prevention & controlCholera -- diagnosisDiarrhea -- therapyFood HandlingSanitation
22. Attention--le choléra est là!: le choléra tue en quelques heures Publication: [Chad] : Ministère de la santé publique et des affaires sociales, [19--?] Subject(s): Cholera -- prevention & controlWater Purification -- methodsFood Handling -- methodsSanitation
23. Keep your environment clean to avoid mosquito breeding Publication: [Gambia] : Health Education Unit, Dept. of State for Health, [19--?] Subject(s): Mosquito ControlSanitation