Comparison of patients hospitalized with COVID-19, H7N9 and H1N1

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RESEARCH ARTICLE

Comparison of patients hospitalized with COVID‑19, H7N9 and H1N1 Li‑Si Deng1†, Jing Yuan2†, Li Ding1†, Yuan‑Li Chen3, Chao‑Hui Zhao1, Gong‑Qi Chen1, Xing‑Hua Li1, Xiao‑He Li2, Wen‑Tao Luo1, Jian‑Feng Lan2, Guo‑Yu Tan2, Sheng‑Hong Tang2, Jin‑Yu Xia1* and Xi Liu1*

Abstract  Background:  There is an urgent need to better understand the novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), for that the coronavirus disease 2019 (COVID-19) continues to cause considerable mor‑ bidity and mortality worldwide. This paper was to differentiate COVID-19 from other respiratory infectious diseases such as avian-origin influenza A (H7N9) and influenza A (H1N1) virus infections. Methods:  We included patients who had been hospitalized with laboratory-confirmed infection by SARS-CoV-2 (n = 83), H7N9 (n = 36), H1N1 (n = 44) viruses. Clinical presentation, chest CT features, and progression of patients were compared. We used the Logistic regression model to explore the possible risk factors. Results:  Both COVID-19 and H7N9 patients had a longer duration of hospitalization than H1N1 patients (P