Abstract: The clinical features of influenza A H1N1 pneumonia are complex and changeable, imaging features are diverse, the disease develops rapidly, critically ill patients can cause respiratory failure and even death. At present, X-ray, CT and radiomics provide new methods and ideas for the diagnosis, condition monitoring and curative effect judgment of the disease. This article reviews the latest advances on imaging diagnosis of influenza A H1N1 pneumonia and differential diagnosis with corona virus disease 2019.

Key words: influenza A H1N1 pneumonia, imaging examination, corona virus disease 2019

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