Communicable disease control in complex emergencies.
D003140:Communicable Disease Control; D004196:Disease Outbreaks / Q000517:prevention & control; D004630:Emergencies; D006297:Health Services Accessibility; D006801:Humans; D007391:International Cooperation; D011159:Population Surveillance; D012036:Refugees; D012066:Relief Work; D014857:Warfare; D014944:World Health Organization