Ebola: how does contact tracing work?

The Democratic Republic of Congo says the death toll linked to its latest Ebola outbreak has risen to 131, with 513 suspected contacts now being monitored across six health zones, as the government races to contain the spread of the Bundibugyo variant of the virus.

And, with global fuel supply shortages, there are renewed calls for African investments in energy and infrastructure. We speak to Nigerian investor, Tony Elumelu.

Presenter: Nkechi Ogbonna

Producers: Ayuba Iliya, Keikantse Shumba, Bella Twine and Rukia Bulle

Technical Producer: David Kinyanjui

Senior Producer: Charles Gitonga

Editors: Priya Sippy and Maryam Abdalla