Ebola: overview, history, origins and transmission
The history of Ebola virus disease, animal reservoirs, routes of transmission and an overview of diagnosis and management.
Documents
Details
Ebola virus emerged in 1976 in almost simultaneous outbreaks in the Democratic Republic of the Congo (DRC) and Sudan (now South Sudan). Since then outbreaks have occurred in both Central and West Africa.
Updates to this page
Last updated
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5 February 2025 Changed the focus from EVD to EBOD and orthoebolaviruses in general. Updated the map in Figure 1.
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12 January 2023 Update to reflect end of outbreak in Uganda.
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7 November 2022 Updated with latest available information.
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18 March 2021 Removed text on the most recent EVD outbreak.
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11 August 2020 Updated table of Ebola outbreaks.
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29 July 2019 Updated with current epidemiology.
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15 December 2017 Updated table of outbreaks.
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19 August 2016 Updated to reflect the current situation.
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17 July 2015 Updated with information about West Africa outbreak.
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29 January 2015 The map showing Ebola cases in Africa has been updated to the end of 2014.
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27 October 2014 Updated information about transmission and incubation period.
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24 October 2014 Updated account of historic outbreaks.
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15 April 2014 First published.
Update history
2025-09-04 15:55
Added a link to the public health guidance in UK settings for EBOD contact tracing.
2025-02-05 10:20
Changed the focus from EVD to EBOD and orthoebolaviruses in general. Updated the map in Figure 1.
2023-01-12 15:43
Update to reflect end of outbreak in Uganda.
2022-11-07 15:00
Updated with latest available information.