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.