Assertion: vaccine's version | /r/ObjectUse | used in the u.s.
Facets:
value: no longer
type: TEMPORAL
Source sentences:
text: Because some vaccines contain live viruses (e.g., chickenpox, rotavirus, measles, mumps, rubella, and polio [a version no longer used in the U.S.], people wonder whether the viruses from vaccines are shed and can, therefore, make other people sick.