Dog to dog transmission is the most likely explanation. "However, another dog in the household, that had been imported from Spain, had been euthanased six months previously due to severe leishmaniosis. (Image: Getty Images/Science Photo Libra)This applies even if the dog has no travel history, but might have been in contact with one that has travelled from an endemic area. "Historically we had considered this to be a condition affecting dogs with a travel history to areas where Leishmania infantum is endemic. Unlike the first case, this dog was not living, or in regular contact, with another infected dog.

Source: Daily Mirror April 06, 2019 00:22 UTC