<unk>  refers to a diffuse<unk> -process, generally either infectious or neoplastic. The term may sometimes also characterize connective tissue<unk> . A<unk>  infection, for example, has extended beyond its origin or nidus and involved the bloodstream to "seed" other areas of the body. Similarly, one can view metastatic cancer as a<unk>  infection in that it has extended into the bloodstream or into the lymphatic system and thus "seeded" distant sites (a process known as metastasis).<unk>  is often contrasted with localized<unk> .
Disseminated disease
Relapsing fever
Feline zoonosis
Tick-borne lymphadenopathy
Urticarial syndromes
Leukomyelitis
Tropical disease
Virgin soil epidemic