Guidance

Ebola and Marburg haemorrhagic fevers: outbreaks and case locations

Information about incidents and outbreaks of Ebola and Marburg, both viral haemorrhagic fevers (VHF).

Current incidents and outbreaks

A Marburg virus outbreak in Kween district, eastern Uganda, was confirmed on 17 October 2017. The 3 cases all died and WHO declared the outbreak over on 8 December.

Ebola in the Democratic Republic of Congo, 2017

This outbreak was detected in early May 2017 but was rapidly contained. There were a total of 8 cases of which 5 were laboratory confirmed. 4 patients died. All cases were in the north of the country in Bas-Uele province. The WHO declared that the outbreak was over on 2 July 2017.

West Africa Ebola outbreak, 2014 to 2016

WHO confirmed an outbreak of Ebola virus disease in southeastern Guinea in March 2014. This was the first time an outbreak had been diagnosed in this part of Africa, and the index case was traced back to December 2013.

The outbreak spread to neighbouring and nearby countries, particularly Liberia and Sierra Leone, and became the largest ever known outbreak of this disease. It continued for over 2 years and a total of 28,616 confirmed, probable and suspected cases were reported in Guinea, Liberia and Sierra Leone, with 11,310 deaths.

See final WHO Ebola situation report June 2016

Linked Ebola outbreaks and cases in other countries (2014 to 2015)

  • Mali: 2 importations leading to a total of 8 cases

  • Nigeria: 20 cases in Lagos and Port Harcourt, following an initial importation from Liberia

  • Senegal: a single case imported from Guinea

  • Italy: one case in a returning healthcare worker

  • Spain: one case in a healthcare worker involved in the care of patients repatriated from West Africa

  • United Kingdom: a case was imported into Scotland in December 2014. This was the first Ebola case to be detected in the UK. The patient was a healthcare worker who had been working in an Ebola treatment centre in Sierra Leone

  • United States: a single EVD case was imported from Liberia into Texas in September 2014. Transmission to 2 healthcare workers subsequently occurred. A further case of EVD was confirmed in a humanitarian aid worker who returned from Guinea in October 2014

Democratic Republic of Congo 2014 (Ebola)

On 27 August 2014, WHO announced an Ebola outbreak in Equateur Province, north western Democratic Republic of Congo. This was unrelated to the West African outbreak occurring at the same time. WHO declared the outbreak to be over on 21 November 2014.

Historic map of outbreaks

This map includes all cases and outbreaks of Ebola or Marburg documented to 31 December 2016. See further information on historical outbreaks of Ebola virus and Marburg virus.

Ebola and Marburg cases in Africa
Published 23 March 2014
Last updated 15 December 2017 + show all updates
  1. Updated because the Marburg outbreak has been declared over.
  2. Updated with Marburg virus outbreak in Uganda.
  3. Updated 'current incidents and outbreaks' section as Ebola outbreak in the Democratic Republic of Congo declared over.
  4. Updated with newly confirmed outbreak in Democratic Republic of Congo.
  5. Updated to reflect the current situation, and content reorganised.
  6. Update with new situations in Guinea, Liberia and Sierra Leone.
  7. Updated, and summarised text describing the West Africa outbreaks.
  8. Updated with information on Liberia.
  9. Updated with latest information.
  10. Updated with current information.
  11. Updated with latest information.
  12. Updated with current information on the Ebola outbreak in West Africa.
  13. Updated with current information on the Ebola outbreak in West Africa, including the new cases in Liberia.
  14. This page was updated with current information on the Ebola outbreak in West Africa.
  15. Updated information on recent incidents and outbreaks.
  16. Updated information on outbreaks and case locations.
  17. Updated information on outbreaks and case locations.
  18. Updated with cases reported in the past week.
  19. Updated information on outbreaks and case locations.
  20. Updated information on outbreaks and case locations.
  21. Updated outbreaks and case locations.
  22. Updated map link and links to additional disease guides.
  23. Updated with current figures and situation
  24. First published.