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

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 ...

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 all influenza vaccines distributed in the United States.

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

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

Mercury, the element, is no longer used in thermometers, but it remains at the center of a decades-long debate over vaccine ...

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

Doctors and infectious disease experts stress that flu vaccines are safe, and they are especially important for older adults ...

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

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?