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
The World's Billionaires $50 billion. The top 10 had a combined wealth of $406 billion, up from $342 billion in 2010. According to Forbes editor Kerry Dolan, "media and technology billionaires definitely benefited from a stronger stock market and a growing enthusiasm for all things social" since the 2010 list. However, Nigerian commodity mogul Aliko Dangote was the greatest gainer on a percentage basis as his fortune increased 557 percent to $13.5 billion. Mark Zuckerberg was one of seven Facebook-related billionaires on the list, as he $9.5 billion to his fortune to move up to 52nd. Facebook co-founder Dustin Moskovitz was the youngest