Assertion: polio's incidence | /r/CapableOf | fall to fewer than 2 per 100,000
Facets:
value: in the following years
type: TEMPORAL
value: from 18 cases per 100,000 people
type: OTHER
Source sentences:
text: In the following years, the incidence of polio in the United States fell from 18 cases per 100,000 people to fewer than 2 per 100,000.