2nd edition. The interagency field handbook on malaria control was developed to set out effective malaria control responses in humanitarian emergencies, particularly during the acute phase when reliance on international humanitarian assistance is greatest. This second edition represents a thorough updating and revision of the first edition. The structure remains similar, but includes an additional chapter on humanitarian coordination. All chapters have been revised to reflect changes in best practices, improvements in technologies, availability of new tools, and changes in WHO recommendations.