Assertion: acute pyelonephritis | /r/CreatedBy | bacteria
Facets:
value: usually
type: DEGREE
Source sentences:
text: 1.1.1 Be aware that acute pyelonephritis is an infection of one or both kidneys usually caused by bacteria travelling up from the bladder.
text: Acute pyelonephritis is the sudden inflammation caused by bacteria while chronic pyelonephritis is the inflammation caused by bacteria that occurs over a long period of time.