What is thimerosal, does it have side effects and why is RFK Jr. removing the controversial preservative from the flu shot?

Although it has been largely phased out of U.S. vaccines, thimerosal has long been targeted by anti-vaccine advocates.

The mercury-based ingredient has prompted concerns from some organizations, although the CDC has said there is no evidence it ...

The US Department of Health and Human Services has adopted a recommendation to remove a preservative called thimerosal from ...

The action will remove from use the very few flu shots that contain the contested preservative, elevating unproven fears it ...

Flu shots that have more than one dose of vaccine contain thimerosal; other versions don’t have it. HHS said Wednesday that ...

RFK Jr. approves a nationwide shift to mercury-free flu vaccines, ending decades of thimerosal use amid rising safety and ...

Banning vaccine ingredients without cause increases the perceived risk of vaccines,” one prominent health group said.

US Health and Human Services (HHS) Secretary Robert F Kennedy Jr has formally signed off on a recommendation to remove ...

Secretary Robert F. Kennedy Jr. | HHS Secretary Robert F. Kennedy Jr. has signed off on a recommendation from an advisory ...

Kennedy Jr. endorsed the CDC's Advisory Committee on Immunization Practices (ACIP) recommendation that the U.S. population ...

Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. is planning to fire all the members of the U.S. Preventive Services Task Force (USPSTF) and replace them with members of his own ...