Assertion: chickenpox's risk | /r/HasProperty | liveborn infants
Facets:
value: in the study
type: LOCATION
Source sentences:
text: This included 95 live births to varicella-zoster virus–seronegative women who received the vaccine during the 1st or 2nd trimester when the risk for congenital varicella syndrome is highest.22 Of the liveborn infants in the study, 2.2% had major congenital anomalies, which is similar to rates reported in the general American population.