Assertion: tracer's contact | /r/HasProperty | within 6 feet of an infected person
Facets:
value: for at least 15 minutes
type: TEMPORAL
value: until the time
type: TEMPORAL
Source sentences:
text: Based on our current knowledge, a close contact is someone who was within 6 feet of an infected person for at least 15 minutes starting from 48 hours before illness onset until the time the patient is isolated.