Answer:
All of the following are effective practices for managing public information after a mass casualty incident EXCEPT:
Option A: Avoid the media or tell them "no comment" until all facts have been collected and verified.
Explanation:
Mass casualty accident is the one in which number of patients are more than the number of available local resources. It needs emergency arrangements which should be exceptional and also requires additional medical assistance.
So, in this case, one should make information available in all formats like the one that is culturally appropriate and age-specific groups as mentioned in Option B. Also, community partners can unite as one and inform via through a Public Information Officer, as Option C. Also, updated information should be sent as it becomes available as per Option D.
Thus, Option A is the statement that must not be practiced.