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

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

US Health and Human Services (HHS) Secretary Robert F. Kennedy Jr. signed off on the recommendation from an expert panel that recommended removing the mercury-based preservative from all influenza ...

The United States will stop distributing all influenza vaccines that contain mercury-based preservative thimerosal, marking ...

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

HHS Secretary Robert F. Kennedy Jr. formally accepted recommendations that would require all vaccine manufacturers to ...

The decision follows last month’s vote of the CDC’s revamped vaccine advisory committee. Thimerosal, mostly removed from ...

Thimerosal is an ingredient that helps keep vaccines pathogen free. Health and Human Services Secretary Robert F. Kennedy Jr., a noted vaccine skeptic, has falsely stated the ingredient is a ...

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

Health experts were shocked to see that thimerosal, a preservative that has largely been phased out of U.S. vaccines, was on ...

The federal government is recommending flu vaccines remove the preservative thimerosal after Health and Human Services ...

Advisers to the Centers for Disease Control and Prevention recommended against flu shots containing the ingredient thimerosal. Why is the additive, safely used since the 1930s, being questioned again?