Ebola: Update on the Situation in West Africa as of November 17, 2014, and Revision of the Case Definition (November 14, 2014) Mali has reported the first cases of local transmission in the country, in the capital, Bamako. These cases are not epidemiologically linked to the first case reported on October 27, 2014. The Bamako district was included in the InVS case definition on November 14, 2014. On November 11, 2014, the WHO reported a total of 14,387 cases (suspected, probable, and confirmed) and 5,168 deaths in the four affected countries in West Africa (Guinea, Liberia, Sierra Leone, and Mali).The three most affected countries (Guinea, Liberia, and Sierra Leone) are reporting new cases distributed very unevenly across districts. At the national level, transmission remains most intense in Sierra Leone. The number of new cases in Liberia has stabilized following the decline observed since mid-September. The UN, in collaboration with the WHO, has implemented a response plan aimed at optimizing diagnosis, isolation, and treatment of patients, contact tracing, and safe burials.