Table: Chronology Of Previous Ebola Virus Disease Outbreaks - Zinny's Blog
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Table: Chronology Of Previous Ebola Virus Disease Outbreaks

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Ebola first appeared in 1976 in 2 simultaneous outbreaks, in Nzara, Sudan, and in Yambuku, Democratic Republic of Congo. The latter was in a village situated near the Ebola River, from which the disease takes its name.

Genus Ebolavirus is 1 of 3 members of the Filoviridae family (filovirus), along with genus Marburgvirus and genus Cuevavirus. Genus Ebolavirus comprises 5 distinct species:
  • Bundibugyo ebolavirus (BDBV)
  • Zaire ebolavirus (EBOV)
  • Reston ebolavirus (RESTV)
  • Sudan ebolavirus (SUDV)
  • Tai Forest ebolavirus (TAFV).

BDBV, EBOV, and SUDV have been associated with large EVD outbreaks in Africa, whereas RESTV and TAFV have not. The RESTV species, found in Philippines and the People’s Republic of China, can infect humans, but no illness or death in humans from this species has been reported to date.

Table: Chronology of previous Ebola virus disease outbreaks

YearCountryEbolavirus speciesCasesDeathsCase fatality
2012Democratic Republic of CongoBundibugyo572951%
2012UgandaSudan7457%
2012UgandaSudan241771%
2011UgandaSudan11100%
2008Democratic Republic of CongoZaire321444%
2007UgandaBundibugyo1493725%
2007Democratic Republic of CongoZaire26418771%
2005CongoZaire121083%
2004SudanSudan17741%
2003 (Nov-Dec)CongoZaire352983%
2003 (Jan-Apr)CongoZaire14312890%
2001-2002CongoZaire594475%
2001-2002GabonZaire655382%
2000UgandaSudan42522453%
1996South Africa (ex-Gabon)Zaire11100%
1996 (Jul-Dec)GabonZaire604575%
1996 (Jan-Apr)GabonZaire312168%
1995Democratic Republic of CongoZaire31525481%
1994Cote d'IvoireTaï Forest100%
1994GabonZaire523160%
1979SudanSudan342265%
1977Democratic Republic of CongoZaire11100%
1976SudanSudan28415153%
1976Democratic Republic of CongoZaire31828088%

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