Assertion: plague's mortality rate | /r/HasProperty | 100 percent
Facets:
value: without treatment
type: OTHER
value: for pneumonic plague
type: CAUSE
Source sentences:
text: The mortality rate for untreated pneumonic plague is 100 percent; death occurs within 24 hours.
text: Without treatment, mortality rates can be as high as 60 percent for bubonic plague and 100 percent for pneumonic plague.