Facebook’s Zuckerberg announces $3 billion investment in disease prevention

Sep 22, 2016
Facebook CEO Mark Zuckerberg and his wife Dr. Priscilla Chan will invest this money over a period of 10 years.
Mark Zuckerberg and Priscilla Chan's $3 billion investment is part of a larger initiative in which they plan to donate 99 percent of their Facebook stock to social causes. 
Adam Berry/Getty Images

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