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The epidemiological and clinical characteristic of COVID-19 patients admitted to a Fangcang shelter hospital in Beijing before the change of China's prevention and control policy
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  • Qingquan Liu,
  • Xiaolong Xu,
  • Hui Jiang,
  • Maochen Li,
  • Huahao Fan,
  • Yifan Shi,
  • Yumeng Yan,
  • Xintong Li,
  • Shuang Song,
  • Chunxia Zhao,
  • Chunming Zhao,
  • Chongpei Cen,
  • Bo Li,
  • Jvjv Shang
Qingquan Liu
Beijing Hospital of Traditional Chinese Medicine

Corresponding Author:[email protected]

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Xiaolong Xu
Beijing Hospital of Traditional Chinese Medicine
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Hui Jiang
Beijing Chest Hospital
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Maochen Li
Beijing University of Chemical Technology College of Life Science and Technology
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Huahao Fan
Beijing University of Chemical Technology College of Life Science and Technology
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Yifan Shi
Beijing Hospital of Traditional Chinese Medicine
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Yumeng Yan
Beijing Hospital of Traditional Chinese Medicine
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Xintong Li
Tianjin University of Traditional Chinese Medicine
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Shuang Song
Tianjin University of Traditional Chinese Medicine
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Chunxia Zhao
Beijing Hospital of Traditional Chinese Medicine
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Chunming Zhao
Beijing University of Chinese Medicine
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Chongpei Cen
Beijing Hospital of Traditional Chinese Medicine
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Bo Li
Beijing Hospital of Traditional Chinese Medicine
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Jvjv Shang
Beijing Hospital of Traditional Chinese Medicine
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Abstract

Background: November 2022, a large number of Omicron infections suddenly appeared in Beijing, but the epidemiological and clinical characteristics of the epidemic cases are unknown. Methods: We collected the data of COVID-19 cases in Fangcang hospital in Beijing from November 20, 2022 to December 8, 2022, and analyzed the epidemiological and clinical characteristics. We used descriptive statistical methods to explore the basic characteristics, used parametric distribution to calculate the time to events, and used ArcGIS to explore the distribution patterns of COVID-19 cases in different areas. Results: There were 1,307 COVID-19 cases in the Fangcang shelter hospital enrolled the study, among which 85.9% were asymptomatic and 14.1% were mild. Epidemiological data showed that the transmission speed Omicron variant is fast and the transmission range is wide, large-scale infections have occurred in both rural and urban areas, and all age groups are susceptible to Omicron variant. In addition, antipyretics and cough drugs were the two most commonly used drugs, because 51.3% and 22.7% patients had fever and cough, respectively, and 10.3% patients took hypnotics. Furthermore, the proportion of patients with chronic diseases was low (13.9%), while the vaccination rate (71.2%) was relatively high. Conclusion: Based on the results of Fangcang shelter hospitals, we found that most mild and asymptomatic cases did not need treatment, which indicates that home isolation is correct and feasible. However, the transmission speed Omicron variant is fast and the transmission range is wide, and all age groups are susceptible to Omicron variant; therefore, the awareness of prevention and control should not be relaxed.