Health care-associated infections have long been established as the biggest cause of avoidable harm and unnecessary death in the health systems of high income countries.
长期以来，卫生保健相关感染一直是高收入国家卫生体系中存在的可避免伤害以及出现不必要死亡的最大原因。
2
What is the main cause of avoidable harm to patients?
可避免患者损伤的主要原因是什么？
3
The U. s. Centers for Disease Control and Prevention says avoidable behaviors like cigarette use, poor diet and lack of exercise are the underlying cause of half of the deaths in the United States.