A year later, origin of deadly hog virus still a mystery

The government “has no clear idea” how Porcine Epidemic Virus entered the United States a year ago,  Reuters says. The virus, with a high mortality rate for newborn pigs, has killed 10 percent of the U.S. hog herd and helped push pork prices to high levels. Reuters quotes USDA veterinarian John Clifford as saying, “I know that… » Read More