Assertion: hepatitis b's infant | /r/HasAspect | decreased response
Facets:
value: to vaccine
type: OTHER
Source sentences:
text: Preterm infants who weigh less than 2,000 grams have a decreased response to vaccine administered before 1 month of age
text: Preterm infants weighing less than 2,000 grams have a decreased response to hepatitis B vaccine administered before 1 month of age.