date:Jun 20, 2013
contaminated feces. Investigators are focused on physical transmission, perhaps equipment marred with feces, or a person wearing dirty boots or with dirty nails.
It could happen at the slaughterhouse, where you have a trailer unloading a truck of pigs that was positive, said Torremorell, who noted that diagnostic researchers at the University of Minnesota and elsewhere have tested hundreds of samples in recent weeks.
If the person doesn't clean the trailer correctly, and then goes to load up