Assertion: hepatitis b's baby | /r/CapableOf | get two anti-hbs tests
Facets:
value: at aged 9 to 15 months
type: TEMPORAL
value: to be certain
type: PURPOSE
Source sentences:
text: Babies born to infected mothers should get two anti-HBs tests at aged 9 to 15 months to be certain that they are making antibodies, a sign that the vaccine has worked well.