Control and eradication of an outbreak of ASF( African Swine Fever) in Western Nigeria. Report, 8 August to 3 September 1999

african swine fever cerdo communauté rurale comunidades rurales control de enfermedades contrôle de maladies cuarentena diagnosis diagnostic diagnóstico disease control disease surveillance enfermedades infecciosas infectious diseases maladie infectieuse peste porcina africana peste porcine africaine porcin quarantaine quarantine rural communities surveillance épidémiologique swine vigilancia de enfermedades