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Outbreak of deadly piglet virus spreads to 13 U.S. states
date:Jun 20, 2013
are studying the outbreak.

The strain of the virus, known as Porcine Epidemic Diarrhea Virus, that is making its way across the nation's hog farms and slaughterhouses is 99.4 percent similar in genetic structure to the PEDV that hit China's herds last year, the researchers say. After it was first diagnosed in China in 2010, PEDV overran southern China and killed more than 1 million piglets, according to the Centers for Disease Control and Prevention's Emerging Infectious Diseases Journal.

The

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