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Phase- and epidemic region-adjusted estimation of the number of coronavirus disease 2019 cases in China.
Chang, Ruijie; Wang, Huwen; Zhang, Shuxian; Wang, Zezhou; Dong, Yinqiao; Tsamlag, Lhakpa; Yu, Xiaoyue; Xu, Chen; Yu, Yuelin; Long, Rusi; Liu, Ning-Ning; Chu, Qiao; Wang, Ying; Xu, Gang; Shen, Tian; Wang, Suping; Deng, Xiaobei; Huang, Jinyan; Zhang, Xinxin; Wang, Hui; Cai, Yong.
  • Chang R; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Wang H; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Zhang S; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Wang Z; Department of Cancer Prevention, Shanghai Cancer Center, Fudan University, Shanghai, China.
  • Dong Y; Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200025, China.
  • Tsamlag L; Department of Environmental and Occupational Health, School of Public Health, China Medical University, Shenyang, 110122, China.
  • Yu X; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Xu C; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Yu Y; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Long R; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Liu NN; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Chu Q; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Wang Y; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Xu G; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Shen T; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Wang S; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Deng X; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Huang J; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Zhang X; State Key Laboratory of Medical Genomics, Shanghai Institute of Hematology, National Research Center for Translational Medicine (Shanghai), Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China.
  • Wang H; Research Laboratory of Clinical Virology, National Research Center for Translational Medicine (Shanghai), Ruijin Hospital and Ruijin Hospital North Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China. zhangx@shsmu.edu.cn.
  • Cai Y; School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, China. huiwang@shsmu.edu.cn.
Front Med ; 14(2): 199-209, 2020 Apr.
Article in English | MEDLINE | ID: covidwho-51748
ABSTRACT
The outbreak of the coronavirus disease 2019 was first reported in Wuhan in December 2019 and gradually spread to other areas in China. After implementation of prevention and control measures, the estimation of the epidemic trend is needed. A phase- and region-adjusted SEIR model was applied for modeling and predicting the number of cases in Wuhan, Hubei Province and regions outside Hubei Province in China. The estimated number of infections could reach its peak in late February 2020 in Wuhan and Hubei Province, which is 55 303-84 520 and 83 944-129 312, respectively, while the epidemic peaks in regions outside Hubei Province in China could appear on February 13, 2020 with the estimated 13 035-19 108 cases. According to the estimation, the outbreak would abate in March and April all over China. Current estimation provided evidence for planned work resumption under stringent prevention and control in China to further support the fight against the epidemic. Nevertheless, there is still possibility of the second outbreak brought by the work resumption and population migration, especially from Hubei Province and high intensity cities outside Hubei Province. Strict prevention and control measures still need to be considered in the regions with high intensity of epidemic and densely-populated cities.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Epidemics / Betacoronavirus Type of study: Observational study / Prognostic study Limits: Humans Country/Region as subject: Asia Language: English Journal: Front Med Year: 2020 Document Type: Article Affiliation country: S11684-020-0768-7

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Coronavirus Infections / Epidemics / Betacoronavirus Type of study: Observational study / Prognostic study Limits: Humans Country/Region as subject: Asia Language: English Journal: Front Med Year: 2020 Document Type: Article Affiliation country: S11684-020-0768-7