date:May 29, 2013
hange clothing before stepping into a barn. Overseas visitors typically wait several days before being in the presence of a commercially raised hog.
But the food shield is not impermeable. If it becomes clear that this is not a novel way for to be transmitted, and that there had to be physical contact, that's going to be a major concern, said William Marler, a leading food-safety attorney. It means that there was a failure in the system.