Assertion: acute bronchitis | /r/HasProperty | viral
Facets:
value: in origin
type: OTHER
value: usually
type: DEGREE
value: sometimes
type: TEMPORAL
Source sentences:
text: Acute bronchitis may be bacterial and viral.
text: It usually forms three to four days following a viral illness, like a cold or flu and is sometimes called viral bronchitis.
text: Acute bronchitis is usually viral in origin, but sometimes it is caused by bacteria, and it typically lasts from one to three weeks.