Assertion: trench fever | /r/HasSubevent | prolonged disability
Facets:
value: during world war
type: TEMPORAL
value: often
type: TEMPORAL
Source sentences:
text: During World War 1, trench fever resulted in significant morbidity and prolonged disability but no recognized mortality.
text: During World War I, trench fever resulted in significant morbidity and prolonged disability but no recognized mortality.
text: Although trench fever often results in prolonged disability, no deaths have been reported (1,3).