Assertion: vaccine | /r/CapableOf | contain killed virus
Facets:
value: in some cases
type: TEMPORAL
Source sentences:
text: They do this by priming the immune cells with a taste of what they’re supposed to recognize — in some cases vaccines contain killed or compromised bacteria or viruses that aren’t able to cause disease, but still set off alarms to the immune cells that they are foreign and unwelcome intruders.