Portugal has ordered disinfection measures for people arriving from Britain to prevent the spread of foot-and-mouth.
Agriculture Minister Mr Luis Capoulas Santos said passengers arriving by air or sea would be required to clean their shoes on a special mat.
All animal-based food products arriving from Britain will be subject to special examination, the minister said.
Veterinary teams were assigned to 14 border posts to ensure the measures were observed.
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The virus can be passed on by humans through breathing or sneezing and can lurk on clothes or footwear.
AFP