Assertion: vaccine's thimerosal | /r/ObjectUse | used as preservative
Facets:
value: in some vaccines
type: LOCATION
value: since the 1930s
type: TEMPORAL
value: in other products
type: LOCATION
value: for vaccines
type: PURPOSE
value: no longer
type: TEMPORAL
Source sentences:
text: Thimerosal is no longer used as a preservative in any childhood vaccine routinely used in the U.S. with the exception of some vials of the influenza vaccine .
text: Thimerosal, a mercury-containing compound, is a widely-used preservative for vaccines that are manufactured in multi-dose vials.
text: Thimerosal has been used as a preserving agent in some vaccines and other products since the 1930s.