The 2014 Ebola outbreak is one of the largest Ebola outbreaks in history and the first in West Africa. It is affecting four countries in West Africa:
Guinea, Liberia, Nigeria, and Sierra Leone,
but does not pose a significant risk to the U.S. public.
CDC is working with other U.S. government agencies, the World Health Organization, and other domestic and international partners in an international response to the current Ebola outbreak in West Africa.
CDC has activated its Emergency Operations Center (EOC) to help coordinate technical assistance and control activities with partners.
CDC has deployed several teams of public health experts to the West Africa region and plans to send additional public health experts to the affected countries to expand current response activities.
As of August 20, 2014
The Guinean Ministry of Health,
the Ministry of Health and Sanitation of Sierra Leone,
the Ministry of Health and Social Welfare of Liberia, and
the Nigerian Ministry of Health
are working with national and international partners to investigate and respond to the outbreak.
- The Guinea Ministry of Health announced 607 suspect and confirmed cases of Ebola virus disease (EVD), including 443 laboratory-confirmed cases, and 406 deaths.
- Affected districts include Conakry, Guéckédou, Macenta, Kissidougou, Dabola, Djingaraye, Télimélé, Boffa, Kouroussa, Dubreka, Fria, Siguiri, Pita, Nzerekore, and Yamou; several are no longer active areas of EVD transmission (see map).
- The Ministry of Health and Social Welfare of Liberia and WHO have reported 1082 suspect and confirmed EVD cases, including 269 laboratory-confirmed, and 624 deaths.
- The Nigerian Ministry of Health and WHO reported 16 suspect and confirmed cases, including 12 laboratory-confirmed, and 5 deaths.
- The Ministry of Health and Sanitation of Sierra Leone and WHO reported a cumulative total of 910 suspect and confirmed cases, including 804 laboratory-confirmed cases, and 392 deaths.
- Cases have been reported from all 12 Sierra Leone districts.
About the virus
- Genetic analysis of the virus indicates that it is closely related (97% identical) to variants of Ebola virus (species Zaire ebolavirus) identified earlier in the Democratic Republic of the Congo and Gabon (Baize et al. 2014).