Outbreak of deadly piglet virus spreads to 13 states

A swine virus deadly to young pigs, one never before seen in North America, is spreading rapidly across the United States and proving harder to control than previously believed. The virus now has spread to 13 states - with more than 100 positive cases to date - since it was first diagnosed in the United States last month, said Montserrat Torremorell, the Allen D. Leman Chair in Swine Health and Pr...