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

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

ACIP’s recommendation this week against thimerosal-containing flu shots applies only to vaccines packaged in multi-dose vials.