A key benefit of an effective and rigorously conduced airport exit screening is protection of the international community by source containment to prevent international spread. (Hindawi)

Exit screening at airports, ports and land crossings: Interim guidance for Ebola virus disease. (WHO)

The primary mitigation strategy to reduce this risk, as recommended by the WHO following its declaration of a Public Health Event of International Concern (PHEIC) on 8 August 2014, is for affected countries to conduct exit screening of all persons at international airports, seaports and major land crossings for unexplained febrile illness consistent with potential Ebola infection. (ECDC)