One of the greatest risk of PEDv transmission is the use of contaminated trailers from the USA. 11.4% of trucks were found to become contaminated when unloading at a US slaughter house. To prevent the spread of PEDv it is important to wash and disinfect trailers between use, and it is recommended that transporters have dedicated wear when working in the US. Sow culling assembly yards are another risk for spread of PEDv. Biosecurity visits and load/unload protocols can reduce the risk of contamination in the yards, as well as at other facilities.