Assertion: plague | /r/AtLocation | western united states
Facets:
value: naturally
type: MANNER
Source sentences:
text: Plague occurs naturally in the western United States and is transmitted by the bite of an infected flea, by handling infected animals, or inhaling droplets from the cough of an infected person or animal.
text: Plague is a natural infection of rodents and their ectoparasites and occurs in many parts of the world, including the western United States.