You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Which of the following is a "water scarce disease"? and explain in detail?
Many diseases are caused by scarcity of water in enough amount to be able to maintain personal hygiene and cleanliness. These are called water scarce disease or water washed disease. Examples include trachoma, conjunctivitis, lice infestation, scabies, ascariasis etc. Ref: Park, 21st Edition, Page 657.