
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
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Pandemics and BiosecurityBackground
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.