How one Minnesota chicken producer kept the bird flu out

Brian Foss washes the top of a Gold'n Plump truck.
Brian Foss washes the top of a Gold'n Plump truck at R.J. Lanners Trucking in Sauk Rapids, Minn. Gold'n Plump started washing their trucks in an effort to keep the avian flu out of its chicken flocks.
Jackson Forderer for MPR News