1. a strategy of defense in cases of bioterrorism; vaccination only of people exposed and others who are in contact with them; - Example: "ring containment is a proven method of halting a smallpox epidemic"
WordNet (r) 3.0 (2006):
ring containment
n 1: a strategy of defense in cases of bioterrorism; vaccination
only of people exposed and others who are in contact with
them; "ring containment is a proven method of halting a
smallpox epidemic"