date:May 29, 2013
y about how the virus entered the United States is raising concern about potential holes in the bio-security shield designed to protect the U.S. food and farming sectors.
Like everything else, we screw up from time to time, said Ronald L. Plain, professor of agricultural economics at University of Missouri in Columbia, Missouri. We know so little about the transmittal of this virus. We can't be sure if it's happening because of something we're supposed to do right and didn't - or by some mechan