Scrub typhus is usually classed as a separate disease entity.
Tick-borne typhus is also classed as a separate disease called spotted fever (see Rocky Mountain spotted fever).
Cystic fibrosis was not recognized as a separate disease until 1938 and was then classified as a childhood disease because mortality among afflicted infants and children was high.
"If lung cancer unrelated to smoking was listed as a separate disease, it would be the sixth or seventh most common cause of cancer deaths".
While the majority of myelodysplasia and acute myeloid leukemia (MDS/AML) cases are sporadic, rare familial predisposition syndromes have been delineated and now represent a separate disease entity in the revised World Health Organization (WHO) classification of myeloid neoplasms.
GBD 2015 regarded MOH as a separate disease [23].
In 1956, Symonds was the first to describe primary cough headache as a separate disease entity.
Originally described as a separate disease entity, this disease is now known as Cooley's anemia or β-thalassemia major.
In fact, there is some research to suggest that lung cancer in smokers may actually be a separate disease from lung cancer in never-smokers; a study presented at the American Association for Cancer Research conference last year suggested that there are DNA differences in the tumors from lung cancer in smokers and lung cancer in nonsmokers, LiveScience reported.
Our data support the idea that monitoring groups of syndromes, instead of separate disease or symptoms, improves the effectiveness of both surveillance and alert management.
By extending this principle, it is possible to determine whether selecting for protection against a disease also selects for increased risk for a separate disease.
