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Abstract

Influenza is an acute respiratory infectious disease caused by influenza virus, which is mainly transmitted by droplets. It is highly contagious and likely to cause outbreaks or pandemics, and its incidence ranks first among statutory infectious diseases. The main clinical features of this disease are acute onset of high fever, fatigue, systemic muscle soreness and mild respiratory symptoms. It features high incidence in autumn and winter. Influenza has a short course and is self-limiting, but infants, the elderly, patients with cardiopulmonary diseases and other chronic diseases and immunocompromised people are prone to pneumonia or other serious complications, which can lead to death.

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Chen, F. et al. (2023). Viral Infection. In: Li, H., Liu, J., Li, L. (eds) Radiology of Infectious and Inflammatory Diseases - Volume 3. Springer, Singapore. https://doi.org/10.1007/978-981-99-4614-3_6

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