Ecological studies on the restoration of degraded forest land, the conservation of medicinal plants and their sustainable harvesting are being conducted at Achanakmar-Amarkantak.

UNESCO: EDUCATION

However, until the ecological studies are completed, scientists will still be very much in the dark about the origins of this mysterious illness.

BBC: Africa's emerging virus threat

Extensive ecological studies are underway in three African countries, including DR Congo, to try to find the "reservoir" - this work essentially involves checking for signs of the virus in thousands of different species of animal, in order to identify the carrier.

BBC: Africa's emerging virus threat