Krumperman, K., Weiss, S., and Fullerton, L.. (2015). Two Types of Prehospital Systems Interventions that Triage Low-Acuity Patients to Alternative Sites of Care. Southern Medical Journal. 108(7): 381-386.
While not disaster-specific, this study of low-acuity 9-1-1 callers noted that they were receptive to being transferred to a call center staffed by nurses with referrals to an urgent care center or primary physician provider or being treated on scene by paramedics and referred either to an urgent care center or primary physician.