Assertion: hepatitis b | /r/CapableOf | progress with symptom
Facets:
value: during the chronic phase
type: TEMPORAL
value: silently
type: MANNER
value: usually
type: TEMPORAL
Source sentences:
text: During the chronic phase (> 6 months after infection) hepatitis B usually progresses silently, with no symptoms at all during the first 10-20 years.