This study is part of Transparency International's CREATE (Collective Resolution for Enhanced Accountability and Transparency in Emergencies) project, which is supported by funding from the Directorate General for European Civil Protection and Humanitarian Operations (ECHO). It presents research that looked at the integrity of the response to the Ebola crisis provided in Guinea and, for comparative analysis Sierra Leone in order to highlight the risks on integrity which humanitarian actors face in the response to the Ebola epidemic.