Lecture presented by Hudson Senior Fellow, Amy A. Kass, on March 13, 2010, for Winter Weekend on Middlemarch, sponsored by the Maine Humanities Council and National Endowment for the Humanities, at Bowdoin College.
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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)