date:Jul 04, 2013
According to data compiled by the US Department of Agriculture, as of June 22, the virus had spread to 14 states, and nearly 265 cases have tested positive.
Researchers noted that the genetic structure of the strain of the virus detected at US hog farms and slaughterhouses is 99.4% similar to the PEDv that affected China's herds in 2012.
PEDv, which was first detected in China in 2010, has till date killed more than 1 million piglets, according to the Centers for Disease Control and Preventi