To reduce and contain the spread of the disease and to provide care to the patients Target groups : Estimated number: 4.726.000. This represents the population of the affected areas in: • Forested Guinea (1 million) • Conakry (2 million) • Télimélé town (16.000)• Lofa region in Liberia (300.000) • Monrovia (1 million) • The Kailahun district in Sierra Leone (410.000) Medium-term outcomes: To reduce and contain the spread of the disease and to provide care to the patients in Guinea (prefectures of Guéckédou, Macenta, Kissidougou, Nzerekore, Télimélé and new affected areas as Conakry), in Sierra Leone (in Kailahun district) and in Liberia in Lofa county and in Monrovia. Contract partner: Swiss Non-profit Organisation Doctors Without Borders Médecins Sans Frontières (MSF) – Suisse Joined intervention between MSF- Suisse and MSF Belgium. The costs and incomes of the intervention will be shared between the two sections.