What Is Thimerosal? Why Most Vaccines Don't Contain Mercury Anymore
Thimerosal, which contains and organic compound of mercury, has mostly been phased out as a preservative for vaccines. Here's how we know it is safe, and why we still use it in some vaccines given to adults

Thimerosal, which contains and organic compound of mercury, has mostly been phased out as a preservative for vaccines. Here's how we know it is safe, and why we still use it in some vaccines given to adults