Assertion: vaccine | /r/CapableOf | balance senior
Facets:
value: with the goal
type: PURPOSE
Source sentences:
text: As the vaccine’s developers work to establish a dose, they must balance the need to achieve protection in individuals — including seniors, who are at highest risk in this pandemic but whose immune systems do not respond as well to vaccines — with the goal of using as little vaccine as possible per person to stretch out what will be limited supplies.