【作者】
岳天祥;
范斌;
赵亚鹏;
John P.Wilson;
杜正平;
王情;
尹笑哲;
段晓男;
赵娜;
范泽孟;
林晖;
周成虎;
【Author】
Tianxiang Yue;Bin Fan;Yapeng Zhao;John P.Wilson;Zhengping Du;Qing Wang;Xiaozhe Yin;Xiaonan Duan;Na Zhao;Zemeng Fan;Hui Lin;Chenghu Zhou;State Key Laboratory of Resources and Environment Information System, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences;College of Resources and Environment, University of Chinese Academy of Sciences;College of Land Resources and Environment, Jiangxi Agricultural University;Spatial Sciences Institute, University of Southern California;China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention;Department of Preventive Medicine, Keck School of Medicine, University of Southern California;Bureau for Frontier Sciences and Education, Chinese Academy of Sciences;School of Geography and Environment, Jiangxi Normal University;
【通讯作者】
岳天祥;范斌;
【机构】
State Key Laboratory of Resources and Environment Information System, Institute of Geographical Sciences and Natural Resources Research, Chinese Academy of Sciences;
College of Resources and Environment, University of Chinese Academy of Sciences;
College of Land Resources and Environment, Jiangxi Agricultural University;
Spatial Sciences Institute, University of Southern California;
China CDC Key Laboratory of Environment and Population Health, National Institute of Environmental Health, Chinese Center for Disease Control and Prevention;
Department of Preventive Medicine, Keck School of Medicine, University of Southern California;
Bureau for Frontier Sciences and Education, Chinese Academy of Sciences;
School of Geography and Environment, Jiangxi Normal University;
【摘要】 本文对新型冠状病毒(简称新冠病毒)肺炎基本传染数算法进行了改进,并运用改进算法对累计确诊人数较多的6个国家(美国、印度、巴西、俄罗斯、秘鲁和哥伦比亚)新冠病毒肺炎疫情动态进行了比较分析.研究结果表明,诸如封城、检疫隔离、关闭学校、限制旅行和扩大社交距离等防控措施对各国遏制冠状病毒传播发挥了至关重要的作用.然而,由于各国新冠病毒防控措施的执行力度大相径庭,效果差异很大.截至2020年9月11日,累计确诊人数在秘鲁、巴西、美国和哥伦比亚分别占总人口的2.23%、2.06%、2.00%和1.43%,新冠病毒传播仍在继续.更多还原
【基金】 supported by the National Natural Science Foundation of China (41421001, 41930647, and 41590844);the Strategic Priority Research Program (A) of the Chinese Academy of Sciences (XDA20030203);the Innovation Project of State Key Laboratory of Resources and Environment Information System (O88RA600YA);the Biodiversity Investigation, Observation and Assessment Program (2019-2023) of the Ministry of Ecology and Environment of China