China Mystery Deaths
Robert Fontaine, an epidemiologist with the U.S. Centers for Disease Control and Prevention, talks about the Trogia mushroom during a presentation in Beijing, China, Tuesday, July 13, 2010. After a five-year investigation, teams of medical detectives from China's Center for Disease Control, where Fontaine served as a senior advisor, believe they have pinpointed the Trogia as the cause of decades of Sudden Death Syndrome in southern China. (AP Photo/Ng Han Guan)
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