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

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

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

HHS Secretary Robert F. Kennedy Jr. endorsed the CDC's Advisory Committee on Immunization Practices (ACIP) recommendation ...

Antivaccine activists have long linked the ingredient to autism; the CDC says there is no evidence of harm.

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 ...

Federal guidelines no longer recommend flu vaccines containing a preservative, used in a small percentage of vaccines, that ...

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

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

U.S. Health and Human Services Secretary Robert F. Kennedy Jr. has approved a major Centers for Disease Control & Prevention ...

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