Assertion: pneumonic plague | /r/CapableOf | spread without flea
Facets:
value: directly
type: MANNER
Source sentences:
text: From the CDC report http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6416a1.htm it's clear that it is possible for pneumonic plague to spread directly (without the fleas) and it appears that this is believed to have been the case here.