The 2013 Index of Global Philanthropy and Remittances breaks new ground by measuring and analyzing the financial flows of emerging economies to the developing world, including philanthropy, remittances, government aid, and private investment.
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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)