Five hundred miles downstream is a colonial capital Leopoldville, now known as Kinshasa.

NPR: Origin of AIDS Linked to Colonial Practices in Africa

Pierre Brazza's rival, the British explorer Henry Morton Stanley, mythologised through his search for Livingstone, reached the far shore, establishing a trading post that was to become the town of Leopoldville.

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When HIV arrived in Leopoldville-Kinshasa, it was one of the burgeoning cities of late colonial Africa, rich with a new kind of urban life and music like this, recorded in the mid-50s.

NPR: Origin of AIDS Linked to Colonial Practices in Africa

Leopoldville engages in an all-out fight against infantile paralysis, crowding every clinic with mothers and their children, the latter to receive orally administered shots of a new vaccine against the scourge of childhood.

NPR: Origin of AIDS Linked to Colonial Practices in Africa