Western consumers first raised concerns about Chinese-made drugs following the deaths last year of several people in Panama who had taken medicine contaminated with a chemical used in anti-freeze.

• 去年，若干巴拿马人因服用的药品含有用于制造防冻剂的一种化学品而死亡之后，西方国家开始对中国生产的药品品质产生忧虑。