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📋Overview
Flu is a common term for influenza, an acute respiratory infection caused by influenza viruses. It is a contagious viral illness that primarily affects the nose, throat, and lungs. Influenza viruses are classified mainly into types A and B, which cause seasonal epidemics. The term 'flu' is widely used in everyday language, but the preferred medical term is influenza.
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Medical codes (for reference)
UMLS CUI: C0021400ICD-10-CM
J11.1
MeSH
D007251
SNOMED CT (US)
6142004
Codes are provided for reference and interoperability. They are not a diagnosis.
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