March-July 2014: Ebola in West Africa
On 23 March 2014, WHO confirmed an outbreak of Ebola virus disease in southeastern Guinea. This is the frst time an outbreak has been diagnosed in this part of Africa, and is now the largest known outbreak of this disease with more than 1000 cases and 650 deaths reported by 20 July 2014. Latest update (external link WHO)
Map of affected areas in Guinea, Liberia and Sierra Leone (external link)
- In Guinea, cases have been reported in Conakry, Guekedou, Macenta, Kissidougou, Dabola, Djingaraye, Telimele, Boffa, and Kouroussa.
- Cases were first confirmed in northern Liberia on 30 March following exposure in Guinea, and subsequently with local transmission. Most cases have been in Lofa and Montserrado counties.
- On 26 May, the first case in Sierra Leone was confirmed (WHO, external link). Most cases have occurred in Kailahun and Kenema, and also in the west of the country. (In the early stages of this multi-country outbreak, two probable cases from Sierra Leone had died in Guinea, but no samples were availble for testing).
- Suspected cases in other nearby countries have all proven negative
These maps include all cases documented to April 2014.Map of cases and outbreaks of Ebola and Marburg virus disease to 2014 (PDF, 380 KB)