2014-2016 Ebola Outbreak Distribution in West Africa

The 2014-2016 Ebola outbreak in West Africa has ended. Visit the Ebola Outbreak section for information on current Ebola outbreaks.

The largest Ebola outbreak in history was first reported in March 2014 and declared over by the World Health Organization (WHO) on June 10, 2016. While the epidemic spread to other parts of Africa, Europe, and the United States, the largest impact was in Guinea, Sierra Leone, and Liberia, the epicenter of the outbreak. Over the duration of this epidemic, there were 28,616 suspected, probable, and confirmed cases from these three countries and 11,310 deaths.

The following map (and accompanying tables) illustrate the number of confirmed cases found by prefecture in Guinea, Sierra Leone, and Liberia as of March 27, 2016, when WHO terminated the Public Health Emergency of International Concern (PHEIC) for the Ebola outbreak in West Africa.

Distribution map showing districts and cities reporting suspect cases of Ebola. The image data is described in the HTML table below.

Distribution Map Showing Districts and Cities Reporting Suspect Cases of Ebola

Confirmed Cases Found by Prefecture in Guinea, Sierra Leone, and Liberia as of March 27, 2016


Prefecture Number of Cases
Conakry 501-4000
Macenta 501-4000
Coyah 101-500
Dubréka 101-500
Forécariah 101-500
Guéckédou 101-500
Kérouané 101-500
Nzérékoré 101-500
Beyla 21-100
Boffa 21-100
Boké 21-100
Faranah 21-100
Kankan 21-100
Kindia 21-100
Lola 21-100
Siguiri 21-100
Télimélé 21-100
Dabola 6-20
Dalaba 6-20
Fria 6-20
Kouroussa 6-20
Pita 6-20
Yomou 6-20
Mali 1-5
Tougué 1-5
Dinguiraye No cases reported
Gaoual No cases reported
Koubia No cases reported
Koundara No cases reported
Labé No cases reported
Lélouma No cases reported
Mamou No cases reported

Sierra Leone

Prefecture Number of Cases
Kailahun 501-4000
Kenema 501-4000
Bombali 501-4000
Port Loko 501-4000
Western rural 501-4000
Western Urban 501-4000
Kono 101-500
Kambia 101-500
Koinadugu 101-500
Tonkolili 101-500
Bo 101-500
Moyamba 101-500
Pujehun 21-100
Bonthe 1-5


Prefecture Number of Cases
Montserrado 501-4000
Bomi 101-500
Bong 101-500
Lofa 101-500
Margibi 101-500
Nimba 101-500
Grand Bassa 21-100
Grand Cape Mount 21-100
Rivercess 21-100
Gbarpolu 6-20
River Gee 6-20
Sinoe 6-20
Grand Gedeh 1-5
Grand Kru 1-5
Maryland 1-5