Step 1: Analyze the passage.
The passage describes how waterborne diseases, particularly cholera, typhoid, diphtheria, and tuberculosis, lead to deaths. It mentions that children are especially vulnerable and that clean drinking water and proper sewage systems are essential for public health. It also highlights that the provision of clean drinking water and sewage separation is a major contribution to public health.
Step 2: Analyze the options.
- (A) The passage mentions that children are particularly vulnerable to waterborne diseases, so this statement is incorrect, meaning it is not true according to the passage.
- (B) The passage states that the infant mortality rate is high in some of the poorest countries, which aligns with this option.
- (C) The passage clearly implies that the provision of sewage and drinking water should be separated, which is in line with this option.
- (D) The passage mentions that public sanitation was recognized as the greatest medical breakthrough, implying that sanitation was not previously given due importance, making this option incorrect.
Step 3: Conclusion.
The statements (A) and (D) are NOT TRUE according to the passage.