Please provide additional information on the measures taken to improve access to safe drinking water and sanitation in the State party, particularly in rural areas and shanty towns, and on the results achieved (ibid., paras.
21. 请提供新的资料说明为改进缔约国饮用水和卫生设施，特别是在农村和贫民区采取的这类措施及其效果(同上，第241至242段)。