- Colorado tick fever [DOID:4885]
A viral infectious disease that results_in infection, has_material_basis_in Colorado tick fever virus, which is transmitted_by rocky mountain wood tick, Dermacentor andersoni. The infection has_symptom fever for 2-3 days, followed by an afebrile period of similar duration and then another 2-3 days of fever, has_symptom headache, has_symptom myalgia, and has_symptom fatigue.
- tinea nigra [DOID:8912]
A superficial mycosis that is a superficial fungal infection of the skin characterized by brown to black macules which usually occur on the palmar aspects of hands and occasionally the plantar and other surfaces of the skin, caused by Hortaea werneckii, which is a common saprophytic fungus believed to occur in soil, compost, humus and on wood in humid tropical and sub-tropical regions.
- sickle cell disease [DOID:0081445]
A blood protein disease that is characterized by chronic hemolytic anemia and intermittent vaso-occlusive events that result in tissue ischemia leading to acute and chronic pain as well as organ damage that can affect any organ system, resulting from the replacement of one of the beta-globin subunits in hemoglobin with atypical hemoglobin molecules called hemoglobin S which can distort red blood cells into a sickle or crescent shape. Sickle cell disease subtypes should include a detailed genotypic description for the hemoglobin molecules (e.g., Hb S/S, Hb S/C, Hb S/0-thalassemia).
- Moebius syndrome [DOID:13501]
A facial nerve disease characterized by congenital, uni- or bilateral, non-progressive facial weakness and limited abduction of the eye(s).
- refractive amblyopia [DOID:10377]
An amblyopia that is characterized by refractive error in one or both eyes that is not corrected early in childhood resulting in poor development of the visual function in the affected eye(s).
- sickle cell anemia [DOID:10923]
A sickle cell disease that is characterized by the replacement of both of the beta-globin subunits in hemoglobin with hemoglobin S, resulting in a low number of red blood cells, repeated infections, and periodic episodes of pain.
- scarlet fever [DOID:8596]
An upper respiratory tract disease described as an acute contagious disease caused by Group A bacteria of the genus Streptococcus (especially various strains of S. pyogenes) and characterized by inflammation of the nose, throat, and mouth, generalized toxemia, and a red rash.