Accidents and trauma are thought to be a major cause of morbidity and mortality of field volunteers. The threat may be from the present disaster or from a past conflict. Inevitably, motor vehicle and pedestrian accidents are common. Other modes of travel can also be problematic, such as unscheduled aircraft or boats.

Reference

Cossar JH, Dow DA. Effects of ill-health on the service of Scottish Presbyterian Missionaries 1867-1929. Journal of Travel Medicine. 1994; 1: 16-29.