Responses to the West African Ebola virus epidemic being curated by the Data Science Group of the Thomas J. Watson Research Center. International Mutual Aid is a US-based 501 (c) (3) nonprofit, conducting Ebola treatment, surveillance, contact tracing, and case investigation in Kono District, Sierra Leone, during the epidemic. On 14 August, the Nigerian government said Aliko Dangote had donated $1 million to halt the spread of the Ebola virus outbreak. Facebook founder Mark Zuckerberg and his wife Priscilla Chan have announced a donation of $25 million to the CDC Foundation to fight the Ebola crisis. On 29 October a South African businessman, Patrice Motsepe, donated $1 million
Tiger Brands of Africa. In the process the company bought a controlling stake in a number of food processing businesses in Nigeria, Kenya, Ethiopia, and Cameroon. This included a R1.5 billion purchase of 65.7% in Dangote Flour Mills in October 2012, Nigeria's second largest milling operation. This and other investments in Africa proved to be costly and unproductive. Over capacity in the Nigerian market led to an operating loss of R2.7 billion by the time Tiger sold back the operation to Dangote for a token one US dollar three years later in 2015. Management issues in Tiger's Kenya operations and the collapse