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
Dangote Group in Africa. Current interests include cement, sugar, flour, salt, pasta, beverages and real estate, with new projects in development in oil and natural gas, telecommunications, fertilizer and steel. Competitors in both Nigeria and other portions of Africa include Stallion Group. Adenike Fajemirokun is the chief risk officer. Dangote Cement, the largest cement production company in Africa, with a market capitalization of almost US$14 billion on the Nigeria Stock Exchange, has subsidiaries in Benin, Cameroon, Ghana, Nigeria, South Africa and Zambia. In December 2010, the group signed an agreement with the Government of Zambia to construct a US$400 million cement plant