Nigeria, Aug. 20 -- The World Health Organisation (WHO) has confirmed the closure of poliovirus type 2 outbreaks in five African countries following assessments that found transmission had been interrupted.

The countries are Burundi, Ghana, Guinea-Bissau, the Republic of Congo and Uganda, the WHO Regional Office for Africa said in a statement on Wednesday.

"Teams from the Independent Outbreak Response Assessment (OBRA) conducted separate assessments between January and June 2026, reviewing disease surveillance, laboratory and epidemiological data," WHO noted.

WHO explained that the transmission was interrupted through targeted vaccination campaigns, epidemiological investigations and expanded environmental surveillance.

In Burundi, wh...