In fact, many nations have lessened the impact of infectious disease and improved the health of their people by providing access to vaccines, clean water, basic medical services and good nutrition.

• 事实上，藉由提供人民疫苗接种、乾净的饮水、基本的医疗服务以及充份的营养，许多国家已经降低了传染病的威胁，并增进了国民的健康。