Assertion: polio | /r/HasProperty | eliminated in the united states
Facets:
value: nearly
type: DEGREE
value: for almost 40 years
type: TEMPORAL
Source sentences:
text: Still, that ended up as 5 to 10 cases a year in the United States, and once polio was eliminated in the United States, the risk-benefit ratio no longer favored the oral polio vaccine.
text: Since the introduction of the polio vaccine in 1955, polio has been eliminated in the United States.
text: Polio has been nearly eliminated in the United States for almost 40 years, but another disease, which doctors describe as “polio-like,” has sprung up.