Long story short: some vaccines used to include thiomersal[0, 1]. It was removed from most of them due to fearmongering (i.e. no evidence of harm [2]). Also as

Long story short: some vaccines used to include thiomersal[0, 1]. It was removed from most of them due to fearmongering (i.e. no evidence of harm [2]). Also associated with this hysteria: Andrew Wakefield (barred, discredited former doctor) and Jenny McCarthy (model). [0]: http://en.wikipedia.org/wiki/Thiomersal http://en.wikipedia.org/wiki/Thiomersal [1]: http://en.wikipedia.org/wiki/Thiomersal_controversy http://en.wikipedia.org/wiki/Thiomersal_controversy [2]: http://www.fda.gov/BiologicsBloodVaccines/SafetyAvailability/VaccineSafety/UCM096228#tox http://www.fda.gov/BiologicsBloodVaccines/SafetyAvailability...