Assertion: hepatitis b | /r/HasProperty | standard
Facets:
value: to vaccinate children
type: PURPOSE
value: since 1991
type: TEMPORAL
value: to vaccinate babies
type: PURPOSE
Source sentences:
text: While it is standard (since 1991) to vaccinate babies and children for hepatitis B, many adults were not vaccinated as children and may be at risk.﻿﻿