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Historical outbreak briefing · Updated May 30, 2026

1997 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 11

0 confirmed 0 probable 41 deaths Source: WHO

A new outbreak of Ebola haemorrhagic fever has been reported in Gabon, according to the World Health Organization's Disease Outbreak News. The first reported case occurred on 13 July 1997, with the death of a 39-year-old hunter in a logging camp between the city of Ovan and Koumameyong, near Booué, Ogooué-Ivindo Province.

As of the latest report, there are 54 confirmed cases of Ebola haemorrhagic fever in Gabon, with no probable or suspected cases. The outbreak has resulted in 41 reported deaths, giving a case fatality ratio of 75.9%. The World Health Organization's Disease Outbreak News reports these numbers.

The outbreak is currently confined to Gabon, with no reported cases in other countries. There is no information available on any vessels or aircraft involved in the outbreak.

The World Health Organization is closely monitoring the situation and providing updates on the outbreak. Readers can follow the latest developments on the WHO website, where the most recent information on the outbreak can be found at https://www.who.int/emergencies/disease-outbreak-news/item/1997_01_08-en.

Primary source: WHO — 1997 - Ebola haemorrhagic fever in Gabon (new outbreak) - Update 11

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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.