It is interesting examining aeromedical evacuations of UNHCR workers over a two year period. Expatriates accounted for two thirds of the evacuations. Deaths of field volunteers were also documented.

Reference

Peytremann I, Baduraux M, O’Donovan S, Loutan L. Medical evacuations and fatalities of United Nations High Commissioner for Refugee field employees. Journal of Travel Medicine. 2001; 8: 117-121.