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📋Overview
Deerfly fever is a legacy term historically used to describe a febrile illness caused by infection with bacteria of the genus Francisella, primarily Francisella tularensis, the agent of tularemia. The modern preferred term for this condition is tularemia. Tularemia is a zoonotic infection transmitted to humans through bites of infected arthropods such as deerflies, ticks, or via contact with infected animals. The term 'deerfly fever' emphasizes the vector-borne nature of some tularemia cases but is not commonly used in current medical practice.
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Medical codes (for reference)
UMLS CUI: C0041351ICD-10-CM
A21A21.9
MeSH
D014406
SNOMED CT (US)
19265001
Codes are provided for reference and interoperability. They are not a diagnosis.
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