Children suffering from severe malnutrition

严重营养不良的儿童。

He was 9 years old and being treated for severe malnutrition.

当时他只有9岁，并正在治疗严重营养不良。

But, O'Ryan says, "similar studies in countries with severe malnutrition and precarious sanitation conditions are needed to complement these results".

但是Miguel O'Ryan还说：“还需要在严重营养不良和卫生设施薄弱的国家进行类似的实验，从而对这些结果加以补充。”