"Other than direct contact with swine, dogs may contract the pseudorabies virus (or Suid herpesvirus 1) by eating contaminated, uncooked meat or offal from swine, or by ingesting infected rats."
http://m.petmd.com/dog/conditions/infectious-parasitic/c_multi_pseudorabies_virus_infectionI know there's been several people on this website that have lost dogs to this