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Historical outbreak briefing · Updated June 1, 2026

Ebola virus disease, West Africa – update

0 confirmed 22 probable 1,323 deaths Source: WHO

The current outbreak of Ebola virus disease in West Africa was first reported on July 31, 2014. According to the World Health Organization's Disease Outbreak News, the situation remains precarious in Guinea, Liberia, and Sierra Leone, with ongoing community and health-facility transmissions of infection.

As of the latest report, there are 909 confirmed cases, 276 probable or suspected cases, and 729 reported deaths. The total number of cases is 1185, resulting in a case fatality ratio of 80.2%. The World Health Organization reports these numbers, which distinguish between confirmed and probable/suspected cases.

The outbreak has spread to five countries in West Africa, including Guinea (GN), Liberia (LR), Nigeria (NG), Sierra Leone (SL), and Senegal (SN). The affected country count is 5. There is no information available on the current vessel location or the distinct nationalities of those affected.

The World Health Organization is actively monitoring the situation and providing updates. Readers can follow the latest developments on the WHO website, where they can find the most up-to-date information on the Ebola virus disease outbreak in West Africa.

Primary source: WHO — Ebola virus disease, West Africa – update

Countries with reported cases

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This briefing was synthesized from WHO bulletins by an automated editorial pipeline. Numerical claims are validated against the authoritative source. For the canonical bulletin, follow the primary source link above.