"发现重金属含量超标" -- more likely to be environmental issue.

来源: 于 2008-06-29 21:05:30 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

If the kids is less than 7, there has been no mercury in vaccine since 2001. 重金属 could mean other elements, e.g., lead. BTW, people living in house built before 76 (or 80? forget the exact date), the paint may contain lead.