Table 1 Types of information extracted from each information source.

From: A comprehensive database of the geographic spread of past human Ebola outbreaks

Outbreak

Source

Type of information available

1. Sudan 1976

WHO/International study team. Ebola haemorrhagic fever in Sudan, 1976. Bull. World Health Organ. 56, 247-270 (1978).

Case numbers (284), fatality numbers (151), dates and spread locations

2. DRC 1976

International Commission. Ebola haemorrhagic fever in Zaire, 1976. Bull. World Health Organ. 56, 271-293 (1978).

Case numbers (318), fatality numbers (280), dates and spread locations

3. DRC 1977

Heymann, D. et al. Ebola hemorrhagic fever: Tandala, Zaire, 1977–1978. J. Infect. Dis. 142, 372-376 (1980).

Case numbers (1), fatality numbers (1), dates and spread locations

4. South Sudan 1979

Baron R. C., McCormick, J. B. & Zubeir, O. A. Ebola virus disease in southern Sudan - hospital dissemination and intrafamilial spread. Bull. World Health Organ. 61, 997-1003 (1983).

Case numbers (34), fatality numbers (22), dates and spread locations

5. Côte d’Ivoire 1994

Le Guenno, B. et al. Isolation and partial characterisation of a new strain of Ebola virus. The Lancet 345, 1271-1274 (1995).

Case numbers (1), fatality numbers (0) and dates

 

Formenty, P. et al. Ebola virus outbreak among wild chimpanzees living in a rain forest of Cote d'Ivoire. J. Infect. Dis. 179, S120-S126 (1999).

Spread locations

6. Gabon 1994

Georges, A.-J. et al. Ebola hemorrhagic fever outbreaks in Gabon, 1994–1997: epidemiologic and health control issues. J. Infect. Dis. 179, S65-S75 (1999).

Case numbers (49)*, fatality numbers (30)*, dates and spread locations

 

Amblard, J. et al. Identification of the Ebola virus in Gabon in 1994. The Lancet 349, 181-182 (1997).

Case numbers (44), fatality numbers (28) and spread locations

 

Milleliri, J., Tévi-Benissan, C., Baize, S., Leroy, E. & Georges-Courbot, M. Les épidémies de fièvre hémorragique due au virus Ebola au Gabon (1994-2002). Bull. Soc. Pathol. Exot. Filiales 97, 199-205 (2004).

Case numbers (51), fatality numbers (31) and spread locations

7. DRC 1995

Khan, A. S. et al. The reemergence of Ebola hemorrhagic fever, Democratic Republic of the Congo, 1995. J. Infect. Dis. 179, S76-S86 (1999).

Case numbers (315), fatality numbers (250), dates and spread locations

 

Muyembe, T. & Kipasa, M. Ebola haemorrhagic fever in Kikwit, Zaire. The Lancet 345, 1448 (1995).

Spread locations

8. Gabon 1996

Georges, A.-J. et al. Ebola hemorrhagic fever outbreaks in Gabon, 1994–1997: epidemiologic and health control issues. J. Infect. Dis. 179, S65-S75 (1999).

Case numbers (31), fatality numbers (21), dates and spread locations

 

Milleliri, J., Tévi-Benissan, C., Baize, S., Leroy, E. & Georges-Courbot, M. Les épidémies de fièvre hémorragique due au virus Ebola au Gabon (1994-2002). Bull. Soc. Pathol. Exot. Filiales 97, 199-205 (2004).

Case numbers (31), fatality numbers (21) and spread locations

9. Gabon 1996b

Georges, A.-J. et al. Ebola hemorrhagic fever outbreaks in Gabon, 1994–1997: epidemiologic and health control issues. J. Infect. Dis. 179, S65-S75 (1999).

Case numbers (60), fatality numbers (45), dates and spread locations

 

Milleliri, J., Tévi-Benissan, C., Baize, S., Leroy, E. & Georges-Courbot, M. Les épidémies de fièvre hémorragique due au virus Ebola au Gabon (1994-2002). Bull. Soc. Pathol. Exot. Filiales 97, 199-205 (2004).

Case numbers (60), fatality numbers (45) and spread locations

10. Uganda 2000

Lamunu, M. et al. Containing a haemorrhagic fever epidemic: the Ebola experience in Uganda (October 2000–January 2001). Int. J. Infect. Dis. 8, 27-37 (2004).

Case numbers (60), fatality numbers (45), dates and spread locations

 

World Health Organization. Outbreak of Ebola haemorrhagic fever, Uganda, August 2000–January 2001. Wkly. Epidemiol. Rec. 76, 41-48 (2001).

Case numbers (60), fatality numbers (45), dates and spread locations

 

Okware, S. et al. An outbreak of Ebola in Uganda. Trop. Med. Int. Health 7, 1068-1075 (2002).

Case numbers (60), fatality numbers (45), dates and spread locations

11. Gabon 2001

Nkoghe Mba, D. et al. Plusieurs épidémies de fièvre hémorragique due au virus Ebola au Gabon, d'octobre 2001 à avril 2002. Bull. Soc. Pathol. Exot. Filiales 98, 224-229 (2005).

Case numbers (124)*, fatality numbers (97)*, dates and spread locations

 

World Health Organization. Outbreak(s) of Ebola haemorrhagic fever in the Republic of the Congo, January-April 2003. Wkly. Epidemiol. Rec. 78, 285-289 (2003).

Case numbers (97), fatality numbers (73), dates and spread locations

 

Milleliri, J., Tévi-Benissan, C., Baize, S., Leroy, E. & Georges-Courbot, M. Les épidémies de fièvre hémorragique due au virus Ebola au Gabon (1994-2002). Bull. Soc. Pathol. Exot. Filiales 97, 199-205 (2004).

Case numbers (124)*, fatality numbers (97)* and spread locations

12. Gabon 2001b

World Health Organization. Outbreak(s) of Ebola haemorrhagic fever in the Republic of the Congo, January-April 2003. Wkly. Epidemiol. Rec. 78, 285-289 (2003).

Case numbers (143), fatality numbers (128), dates and spread locations

13. RoC 2003

Boumandouki, P. et al. Prise en charge des malades et des défunts lors de l'épidémie de fièvre hémorragique due au virus Ebola d’octobre à décembre 2003 au Congo. Bull. Soc. Pathol. Exot. Filiales 98, 218-223 (2005).

Case numbers (35), fatality numbers (29), dates and spread locations

14. South Sudan 2004

World Health Organization. Outbreak of Ebola haemorrhagic fever in Yambio, south Sudan, April-June 2004. Wkly. Epidemiol. Rec. 80, 370-375 (2005).

Case numbers (17), fatality numbers (7), dates and spread locations

 

Onyango, C. O. et al. Laboratory diagnosis of Ebola hemorrhagic fever during an outbreak in Yambio, Sudan, 2004. J. Infect. Dis. 196, S193-S198 (2007).

Spread locations

15. RoC 2005

Nkoghe, D., Kone, M. L., Yada, A. & Leroy, E. A limited outbreak of Ebola haemorrhagic fever in Etoumbi, Republic of Congo, 2005. Trans. R. Soc. Trop. Med. Hyg. 105, 466-472 (2011).

Case numbers (12), fatality numbers (10), dates and spread locations

16. DRC 2007

Leroy, E. M. et al. Human Ebola outbreak resulting from direct exposure to fruit bats in Luebo, Democratic Republic of Congo, 2007. Vector Borne Zoonot. Dis. 9, 723-728 (2009).

Case numbers (264), fatality numbers (186), dates and spread locations

 

Grard, G. et al. Emergence of divergent Zaire ebola virus strains in Democratic Republic of the Congo in 2007 and 2008. J. Infect. Dis. 204, S776-S784 (2011).

Spread locations

17. Uganda 2007

Wamala, J. F. et al. Ebola hemorrhagic fever associated with novel virus strain, Uganda, 2007–2008. Emerg. Infect. Dis. 16, 1087-1092 (2010).

Case numbers (116), fatality numbers (39), dates and spread locations

 

MacNeil, A. et al. Proportion of deaths and clinical features in Bundibugyo Ebola virus infection, Uganda. Emerg. Infect. Dis. 16, 1969 (2010).

Spread locations

 

Towner, J. S. et al. Newly discovered ebola virus associated with hemorrhagic fever outbreak in Uganda. PLoS Pathog. 4, e1000212 (2008).

Spread locations

18. DRC 2008

World Health Organisation. End of Ebola outbreak in the Democratic Republic of the Congo http://www.who.int/csr/don/2009_02_17/en/ (2009).

Case numbers (32)*, fatality numbers (15)*, dates and spread locations

 

Grard, G. et al. Emergence of divergent Zaire ebola virus strains in Democratic Republic of the Congo in 2007 and 2008. J. Infect. Dis. 204, S776-S784 (2011).

Case numbers (14), fatality numbers (10), dates and spread locations

19. Uganda 2011

Shoemaker, T. et al. Reemerging Sudan ebola virus disease in Uganda, 2011. Emerg. Infect. Dis. 18, 1480 (2012).

Case numbers (1), fatality numbers (1), dates and spread locations

20. DRC 2012

Albarino, C. et al. Genomic analysis of filoviruses associated with four viral hemorrhagic fever outbreaks in Uganda and the Democratic Republic of the Congo in 2012. Virology 442, 97-100 (2013).

Case numbers (36)*, fatality numbers (13)*, dates and spread locations

 

World Health Organization. DR Congo: Ebola (Situation as of 01 October 2012) http://www.afro.who.int/pt/grupos-organicos-e-programas/ddc/alerta-e-resposta-epidemias-e-pandemias/outbreak-news/3698-dr-congo-ebola-situation-as-of-01-october-2012.html (2012).

Case numbers (31), fatality numbers (10) and spread locations

21. Uganda 2012

Albarino, C. et al. Genomic analysis of filoviruses associated with four viral hemorrhagic fever outbreaks in Uganda and the Democratic Republic of the Congo in 2012. Virology 442, 97-100 (2013).

Case numbers (11)*, fatality numbers (4)*, dates and spread locations

 

World Health Organisation. Ebola in Uganda http://www.who.int/csr/don/2012_07_29/en/ (2012).

Case numbers (20), fatality numbers (14) and spread locations

 

World Health Organisation. Uganda : Ebola (situation as of 27 August 2012) http://www.afro.who.int/en/clusters-a-programmes/dpc/epidemic-a-pandemic-alert-and-response/outbreak-news/3674-uganda--ebola-situation-as-of-27-august-2012-.html (2012).

Case numbers (24), fatality numbers (17) and spread locations

22. Uganda 2012b

Albarino, C. et al. Genomic analysis of filoviruses associated with four viral hemorrhagic fever outbreaks in Uganda and the Democratic Republic of the Congo in 2012. Virology 442, 97-100 (2013).

Case numbers (6), fatality numbers (3), dates and spread locations

  1. Where two different sources disagreed on data the latest primary source was chosen, as indicated by a *. DRC = Democratic Republic of the Congo, RoC = Republic of Congo.