RDU INTERNATIONAL — Asfoot and mouth diseasespreads to livestock across Europe, the concern about the condition has spread to the Triangle.

International passengers flying intoRDU Internationalwho have had contact with any animals abroad get their shoes sprayed with chlorine bleach.

The disease is highly contagious and may spread over great distances with movement of infected or contaminated animals, products, objects, and people. It typically effects cattle, swine and other cloven-hooved animals.

Farmers who detect the characteristic blisters on one animal are ordered to kill all their livestock.

The nation's largest pork producer is also taking precautions. Smithfield Foods is limiting visitors and screening workers for any overseas travel.

Foot and mouth disease poses no threat to humans.