bird disease reticuloendotheliosis, avian Avian reticuloendotheliosis MONDO:0025167 A group of pathologic syndromes found in avian species caused by reticuloendotheliosis virus. The distinct syndromes include non-neoplastic runting, acute neoplastic disease, and chronic neoplastic disease. Humans and mammals appear resistant. MESH:D055761 Reticuloendothelioses, Avian Avian Reticuloendothelioses Aves