This article compares the differences between the pulmonary patterns of COVID-19 and influenza virus pneumonia. It shows that COVID-19 shows more peripheral findings, whereas influenza pneumonia has more mucoid impaction and pleural effusion. In spite of certain differences, to distinguish them in the clinical setting remains difficult.
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Lin, Liaoyi, Gangze Fu, Shuangli Chen, Jiejie Tao, Andan Qian, Yunjun Yang, Meihao Wang. “CT Manifestations of Coronavirus Disease (COVID-19) Pneumonia and Influenza Virus Pneumonia: A Comparative Study." American Journal of Roentgenology 216, no.1 (2021): 71-79. https://doi.org/10.2214/AJR.20.23304