Report: Tiny mushroom killed hundreds in China

Robert Fontaine, an epidemiologist with the U.S. Centers for Disease Control and Prevention, talks about the Trogia mushroom, seen at right, believed to be the cause of decades of Sudden Death Syndrome in southern parts of China 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 cause of the mysterious deaths. ((AP Photo/Ng Han Guan))

July 15, 2010 5:01:37 AM PDT
Every year during the height of the rainy season, villagers of all ages in a corner of southwestern China would suddenly die of cardiac arrest.