Assertion: polio | /r/HasProperty | eradicated in the u.s.
Facets:
value: essentially
type: DEGREE
value: since 1979
type: TEMPORAL
Source sentences:
text: Although polio has essentially been eradicated in the U.S. since 1979, and in the Western Hemisphere since 1991, children and adults in Afghanistan and Pakistan are still battling the disease.