Assertion: plague's mortality rate | /r/HasProperty | high
Facets:
value: without treatment
type: OTHER
value: for bubonic plague
type: CAUSE
value: frighteningly
type: DEGREE
Source sentences:
text: The plague, often described as The Black Death, is an infectious bacterial disease that has a frighteningly high mortality rate if left untreated.
text: Without treatment, mortality rates can be as high as 60 percent for bubonic plague and 100 percent for pneumonic plague.