The Vaccine Mom, a molecular biologist and mother of two, explains: Why thimerosal, a preservative containing ethyl mercury, was added to some vaccines How ethylmercury differs from methylmercury (the kind found in tuna) What research shows about the safety of thimerosal in vaccines Resources Vaccinate Your Family: Vaccine Research Studies Vaccinate Your Family: Questions and … Continue reading The Vaccine Mom Discusses Thimerosal in Vaccines