Assertion: plague | /r/CapableOf | break out in rural areas
Facets:
value: occasionally
type: DEGREE
Source sentences:
text: It is now mainly of campestral or sylvatic (that is, open-field or woodland) origin, striking individuals and occasionally breaking out in villages and rural areas where Yersinia is kept in a constant natural reservoir by various types of rodents, including ground squirrels, voles, and field mice.