Dirofilariasis - epidemiology, Zoonoses - transmission, Cat Diseases - transmission, Cat Diseases - blood, Dog Diseases - transmission, Dog Diseases - blood, Dirofilariasis - parasitology, Dirofilariasis - transmission, Dirofilariasis - blood, Antibodies, Helminth - blood, Dog Diseases - parasitology, Dog Diseases - epidemiology, Cat Diseases - parasitology,...