Assertion: vaccine's risk | /r/CapableOf | weaken in the elderly
Facets:
value: often
type: TEMPORAL
Source sentences:
text: When inactivated vaccines are produced correctly, the risks lie in the countless variables that affect a body’s reaction, including the person’s immune system (which are not fully developed in young children, and often weakened in the elderly); physical condition (are they pregnant or ill?); and environment (including exposure to other forms of the virus).