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Republic of Congo
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Nation / PlaceCG

Republic of Congo

Central African nation with Atlantic coast reporting Mpox clade Ib.

The Republic of Congo faces DR Congo's Bundibugyo Ebola outbreak across the Ubangi river after Sud-Ubangi province declared cases on 10 September 2026; Africa CDC listed it among ten countries at risk on 27 September.

Last refreshed: 4 October 2026 · Appears in 1 active topic

Timeline for Republic of Congo

#14 10 Sept

Faced new export risk from Sud-Ubangi

Pandemics and Biosecurity: Ebola reaches Sud-Ubangi by river boat
#11 20 Jul
#7 15 Jun
#7 12 Jun
View full timeline →

Background

The Republic of Congo, also called Congo-Brazzaville, is a Central African state of about 6 million people with an Atlantic coast. Its capital, Brazzaville, stands on the Congo river. It is a separate country from its larger neighbour, the Democratic Republic of the Congo, and much of its territory is equatorial rainforest.

Its main health threats come from across its borders. In May 2026 it was among the countries reporting community transmission of clade Ib mpox, the lineage first identified in eastern DR Congo in 2023. In September 2026 Ebola reached Sud-Ubangi, which faces it across the Ubangi river.

River traffic has carried that risk before. When Ebola reached the Congolese river port of Mbandaka in May 2018, Brazzaville was one of two capitals WHO feared the virus could reach by water. Neither was touched before that outbreak ended in July 2018.

Key Issues
Ebola risk

The outbreak now reaches its river border

DR Congo's Ebola outbreak reached Sud-Ubangi, the province across the Ubangi river from the Republic of Congo, when its interim governor declared cases on 10 September 2026. The index case had come about 1,000 km by river boat from Kisangani. Two cases were confirmed by 1 October.

For Congo-Brazzaville this is a new export risk on a frontier the outbreak had not touched in August. On 27 September Africa CDC's Jean Kaseya named the Republic of Congo among ten countries at risk. River boats carry traders between ports for days, so an infected passenger can travel FAR before any health POST sees them. No vaccine is licensed against Bundibugyo, the Ebola species behind the outbreak.

Common Questions
Where is the Republic of Congo located?
The Republic of Congo (Congo-Brazzaville) is in Central Africa with an Atlantic coastline, capital Brazzaville on the Congo River.Source: general knowledge
What is the difference between Congo and the DRC?
The Republic of Congo (capital Brazzaville) is a distinct West-Central nation, separate from the Democratic Republic of Congo (capital Kinshasa), though they share the Congo River.Source: administrative data
What is Congo-Brazzaville's geography?
The Equator runs through the country; it contains significant rainforest, mineral resources, and an Atlantic coastline.Source: general knowledge