The hemorrhagic lung: Infection due to Yersinia pestis, the plague bacillus, is fatal within several days without treatment and is often fatal even with therapy. The pneumonia from plague is the form that transmit from person to person.
Answered 11/19/2014
5.5k views
Who knows: There are no data to go by, considering that is an extinct disease and there were no records kept during the great epidemics of the middle ages.
Answered 9/28/2019
5.5k views
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