| Autor: |
Chia JE; Polio Eradication Programme, WHO Regional Office for Africa, Brazzaville, Republic of the Congo., Faye M; Virology Department, Institut Pasteur de Dakar, Dakar 220, Senegal. Electronic address: martin.faye@pasteur.sn., Jermaine K; Polio Eradication Programme, WHO Regional Office for Africa, Brazzaville, Republic of the Congo., Tesfaye B; Polio Eradication Programme, WHO Regional Office for Africa, Brazzaville, Republic of the Congo., Modjirom N; Polio Eradication Programme, WHO Regional Office for Africa, Brazzaville, Republic of the Congo., Ahmed J; Polio Eradication Programme, WHO Regional Office for Africa, Brazzaville, Republic of the Congo., Anfumbom K; Polio Eradication Programme, WHO Regional Office for Africa, Brazzaville, Republic of the Congo. |
