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An investigation of transmission control measures during the first 50 days of the COVID-19 epidemic in China.
Tian, Huaiyu; Liu, Yonghong; Li, Yidan; Wu, Chieh-Hsi; Chen, Bin; Kraemer, Moritz U G; Li, Bingying; Cai, Jun; Xu, Bo; Yang, Qiqi; Wang, Ben; Yang, Peng; Cui, Yujun; Song, Yimeng; Zheng, Pai; Wang, Quanyi; Bjornstad, Ottar N; Yang, Ruifu; Grenfell, Bryan T; Pybus, Oliver G; Dye, Christopher.
  • Tian H; State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing, China. tianhuaiyu@gmail.com christopher.dye@zoo.ox.ac.uk oliver.pybus@zoo.ox.ac.uk grenfell@princeton.edu ruifuyang@gmail.com.
  • Liu Y; State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing, China.
  • Li Y; State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing, China.
  • Wu CH; School of Mathematical Sciences, University of Southampton, Southampton, UK.
  • Chen B; Department of Land, Air and Water Resources, University of California Davis, Davis, CA, USA.
  • Kraemer MUG; Department of Zoology, University of Oxford, Oxford, UK.
  • Li B; Harvard Medical School, Harvard University, Boston, MA, USA.
  • Cai J; Boston Children's Hospital, Boston, MA, USA.
  • Xu B; State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing, China.
  • Yang Q; Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing, China.
  • Wang B; Ministry of Education Key Laboratory for Earth System Modeling, Department of Earth System Science, Tsinghua University, Beijing, China.
  • Yang P; State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing, China.
  • Cui Y; State Key Laboratory of Remote Sensing Science, College of Global Change and Earth System Science, Beijing Normal University, Beijing, China.
  • Song Y; Beijing Center for Disease Prevention and Control, Beijing, China.
  • Zheng P; State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China.
  • Wang Q; Department of Urban Planning and Design, The University of Hong Kong, Hong Kong.
  • Bjornstad ON; Department of Occupational and Environmental Health Sciences, School of Public Health, Peking University, China.
  • Yang R; Beijing Center for Disease Prevention and Control, Beijing, China.
  • Grenfell BT; Center for Infectious Disease Dynamics, Department of Biology, Pennsylvania State University, University Park, PA, USA.
  • Pybus OG; Department of Entomology, College of Agricultural Sciences, Pennsylvania State University, University Park, PA, USA.
  • Dye C; State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing, China. tianhuaiyu@gmail.com christopher.dye@zoo.ox.ac.uk oliver.pybus@zoo.ox.ac.uk grenfell@princeton.edu ruifuyang@gmail.com.
Science ; 368(6491): 638-642, 2020 05 08.
Article in English | MEDLINE | ID: covidwho-20742
ABSTRACT
Responding to an outbreak of a novel coronavirus [agent of coronavirus disease 2019 (COVID-19)] in December 2019, China banned travel to and from Wuhan city on 23 January 2020 and implemented a national emergency response. We investigated the spread and control of COVID-19 using a data set that included case reports, human movement, and public health interventions. The Wuhan shutdown was associated with the delayed arrival of COVID-19 in other cities by 2.91 days. Cities that implemented control measures preemptively reported fewer cases on average (13.0) in the first week of their outbreaks compared with cities that started control later (20.6). Suspending intracity public transport, closing entertainment venues, and banning public gatherings were associated with reductions in case incidence. The national emergency response appears to have delayed the growth and limited the size of the COVID-19 epidemic in China, averting hundreds of thousands of cases by 19 February (day 50).
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Travel / Coronavirus Infections / Pandemics / Betacoronavirus Type of study: Observational study Limits: Humans Country/Region as subject: Asia Language: English Journal: Science Year: 2020 Document Type: Article

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Travel / Coronavirus Infections / Pandemics / Betacoronavirus Type of study: Observational study Limits: Humans Country/Region as subject: Asia Language: English Journal: Science Year: 2020 Document Type: Article