Assertion: polio's incidence | /r/CapableOf | drop in america
Facets:
value: from almost 58,000 reported cases
type: OTHER
value: to 1,000 cases 10 years later
type: TEMPORAL
Source sentences:
text: In America, incidence of the disease dropped from almost 58,000 reported cases in 1952 to just 1,000 cases 10 years later.