2014: Ebola Hemorrhagic Fever Outbreak in Guinea, Liberia, and Sierra Leone
The World Health Organization, in partnership with the Ministries of Health in Guinea, Sierra Leone, Liberia, and Nigeria announced a cumulative total of 1603 suspect and confirmed cases of Ebola virus disease (EVD) and 887 deaths, as of August 1, 2014. Of the 1603 clinical cases, 1009 cases have been laboratory confirmed for Ebola virus infection.
In Guinea, 485 cases, including 358 fatal cases and 340 laboratory confirmations of EVD, were reported by the Ministry of Health of Guinea and WHO as of August 1, 2014. Active surveillance continues in Conakry, Guéckédou, Boffa, Pita, Siguiri, Maceta, and Kourourssa Districts.
In Sierra Leone, WHO and the Ministry of Health and Sanitation of Sierra Leone reported a cumulative total of 646 suspect and confirmed cases of EHF as of August 1, 2014. Of these 646, 540 cases have been laboratory confirmed and 273 were fatal. Districts reporting clinical EVD patients include Kailahun, Kenema, Kambia, Port Loko, Bo and Western Area, which includes the capital, Freetown. More recently, Tonkolili, Bambali, Moyamba, Bonthe, and Punjehun Districts have also reported confirmed cases of EVD. Reports, investigations, and testing of suspect cases continue across the country.
As of August 1, 2014, the Ministry of Health and Social Welfare of Liberia and WHO reported 468 clinical cases of EVD, including 129 laboratory confirmations and 255 fatal cases. Suspect and confirmed cases have been reported from Lofa, Montserado, Margibi, Bomi, Bong, Nimba, RiverCess, Grand Cape Mount, and Grand Bassa Counties. Laboratory testing is being conducted in Monrovia.
In Nigeria, WHO and the Nigerian Ministry of Health reported 1 probable fatal case and 4 suspect cases as of August 1, 2014.
CDC is in regular communication with all of the Ministries of Health (MOH), WHO, MSF, and other partners regarding the outbreak. Currently CDC has personnel in all four countries assisting the respective MOHs and the WHO-led international response to this Ebola outbreak.
Based on reports from the Ministry of Heath of Guinea, the Ministry of Health and Sanitation of Sierra Leone, the Ministry of Health and Social Welfare of Liberia, the Ministry of Health of Nigeria, and WHO 4 August 2014.