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. 2021 Aug 26;9:712190. doi: 10.3389/fpubh.2021.712190

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Copyright © 2021 Ding, Feng, Han, Zhou, Ji, Hao, Xue, Yin, Xu, Luo, Zhang and Zhang.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Comparison of clinical outcomes in EF and non-EF COVID-19 patients with moderate/severe infection. Time from symptom onset to symptom alleviation (A); CT image improvement (B); lymphocyte recovery (C); eosinophil recovery (D); nucleic acid tests turning negative (E); time of discharge from hospital (F). Whiskers of the boxplot mark the 5th and 95th percentiles, while the box contains 25th percentile, median, and 75th percentiles. COVID-19, coronavirus disease; EF, early fever, defined as the incidence of fever (T_max ≥ 37.3°C, measured using an ear thermometer) within 5 days of symptom onset. *P < 0.05 for EF patients vs. non-EF patients in corresponding severity conditions.