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Strengthening Community Defenses to Prevent and Control the Spread of COVID-19 in China

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China CDC weekly 2022年第10期4卷 191-194页

作者： Xia Li Zhuona Zhang Keyang Lyu dongqun xu Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Department of Environmental Microbiology National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina

In light of the severity of coronavirus disease(COVID-19)around the world,it is an arduous task for China to prevent COVID-19 from being imported from abroad and proliferating *** community is the first and most effective line of defense and can effectively cut off the channels of spread of the *** order to reduce risks of COVID-19 transmission in the community,it is necessary to sort out the loopholes in risk and management,as well as investigate previous epidemic transmission events in the community.

关键词： severity epidemic COV

First Technical Specifications for Health Risk Assessment of Ambient Air Pollution in China

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China CDC weekly 2021年第33期3卷 706-709页

作者： Jingxiu Han Junrui Chang Jingyi Liu Congshen Meng dongqun xu China CDC Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina

The Global Burden of Disease study showed that air pollution is the fourth risk factor for attributable deaths(1)and a major public health problem in ***,the Chinese government has taken a series of measures to control air ***,the attributable disease burden of air pollution can be effectively reduced only by integrating health into air pollution control *** risk assessment comprehensively considered the impact of atmospheric pollution levels,pollutant toxicity,exposure-response coefficients,and the characteristics of exposed *** may provide a scientific basis for formulating policies for air pollution prevention and control,revising standards of ambient air quality,and putting forward targeted measures for public health protection.

关键词： pollution pollution measures

Neglected Aspects of SARS-CoV-2 Aerosol Transmission in Bathrooms of Multistory and High-Rise Buildings—Beijing Municipality,China,October 2022

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China CDC weekly 2023年第1期5卷 1-4,I0001-I0003页

作者： Keyang Lyu Qin Wang Xia Li Zhuona Zhang Xiaoning Zhao Yunpu Li Zhigang Tang Longjian Li Fuchang Deng Xiaoyu Zhang Kaiqiang xu Rong Zhao dongqun xu Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Division of Chemical Analysis Biology and MedicineBeijing Institute of MetrologyBeijingChina Mentougou District Center for Disease Control and Prevention BeijingChina Beijing Center for Disease Control and Prevention BeijingChina

Summary What is already known about this topic?There is a toilet flush-soil stack-floor drain pathway of aerosol transmission in multistory and high-rise buildings,but the influencing factors are not completely *** is added by this report?The poor airtightness of the connecting parts of the floor drain,as well as pressure fluctuations in the sewage pipe during toilet flushing caused by blockage of the soil stack vent,may lead to the cross-floor transmission of viral aerosols through the soil stack and floor drains.

关键词： connecting floor drain

Field Simulation of Aerosol Transmission of SARS-CoV-2 in a Special Building Layout—Guangdong Province,China,2021

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China CDC weekly 2021年第34期3卷 711-715,I0002页

作者： Zhuona Zhang Xia Li Qin Wang Jin xu Qinqin Jiang Sili Jiang Jiayun Lyu Shiqiang Liu Ling Ye Jun Yuan Wenru Feng dongqun xu National Institute of Environmental Health China Center for Disease Control and PreventionBeijingChina China National Center for Food Safety Risk Assessment BeijingChina Guangzhou Center for Disease Control and Prevention GuangzhouGuangdongChina Guangdong field epidemiology training program GuangzhouGuangdongChinaHeyuan municipal center for disease control and preventionHeyuanGuangdongChina

What is already known on this topic?Aerosol transmission was one route for the spread of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)and usually occurred in confined *** is added by this report?Aerosol transmission was found to exist between handshake buildings,i.e.,buildings with extremely close proximity that formed relatively enclosed *** was mainly affected by the airflow layout caused by switching air conditioners on and off as well as opening and closing doors and *** are the implications for public health practice?Centralized isolation and home isolation in handshake buildings creates a risk of SARS-CoV-2 aerosol transmission under certain *** should be paid to the influence of air distribution layout on aerosol diffusion in isolation wards,and disinfection of isolation venues should be strengthened.

关键词： aerosol strengthened isolation

Independent and Interactive Effects of Environmental Conditions on Aerosolized Surrogate SARS-CoV-2-Beijing,China,June to September 2020

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China CDC weekly 2022年第26期4卷 565-569,I0004,I0005页

作者： Yixin Mao Yueyun Luo Wenda Zhang Pei Ding Xia Li Fuchang Deng Kaiqiang xu Min Hou Cheng Ding Youbin Wang Zhaomin Dong Raina MacIntyre Xiaoyuan Yao Song Tang dongqun xu China CDC Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Chinese Center for Disease Control and Prevention BeijingChina University of South Carolina ColumbiaSCUSA School of Space and Environment Beihang UniversityBeijingChina Beijing Advanced Innovation Center for Big Data-Based Precision Medicine Beihang UniversityBeijingChina The Kirby Institute Faculty of MedicineThe University of New South WalesSydneyNSWAustralia Center for Global Health School of Public HealthNanjing Medical UniversityNanjingJiangsu ProvinceChina

Summary What is already known about this topic?Environmental factors such as temperature and humidity play important roles in the transmission of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)via droplets/*** is added by this report?Higher relative humidity(61%–80%),longer spreading time(120 min),and greater dispersal distance(1 m)significantly reduced SARS-CoV-2 pseudovirus *** was an interaction effect between relative humidity and spreading *** are the implications for public health practice?The findings contribute to our understanding of the impact of environmental factors on the transmission of SARS-CoV-2 via airborne droplets/aerosols.

关键词： humidity finding interaction

Air Pollution Health Impact Monitoring and Health Risk Assessment Technology and Its Application-China,2006-2019

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China CDC weekly 2022年第26期4卷 577-581页

作者： Jingxiu Han dongqun xu Donggang xu xu Yang Qin Wang Mingqing Chen Wenrong Xia Weiwei Xing Chunyu xu Yue Liu Junrui Chang Wenliang Fu Shuxin Hao Na Li Xiaoyan Dong Yunpu Li Congshen Meng Jingyi Liu China CDC Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Academy of Military Medical Sciences Academy of Military SciencesBeijingChina Hubei Key Laboratory of Genetic Regulation and Integrative Biology College of Life SciencesCentral China Normal UniversityWuhan CityHubei ProvinceChina

Air pollution is a significant risk factor contributing to the burden of disease in *** risk assessment and management are important to reduce the impact of air pollution on public *** help formulate standardized health risk assessment techniques,a series of studies were conducted from 2006 to *** systematic review,study of molecular mechanisms,epidemiological investigation,and health effect monitoring,the overall project established a monitoring and evaluation indicator system,a comprehensive information platform,software for automatic data cleaning,and standardized health risk assessment *** specifications have been issued by the National Health Commission for promoting health risk assessments across *** paper introduces the project,the research approach,its main research accomplishments,innovations,and public health significance,and describes directions for further research.

关键词： pollution Impact accomplishment

准确评估空气污染暴露水平提升环境健康风险管理能力

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中华预防医学杂志 2018年第6期52卷 564-566页

作者：徐东群中国疾病预防控制中心环境与健康相关产品安全所北京100021

WHO指出，空气污染是影响健康的主要环境风险之一，2014年，92％的世界人口所在地的空气质量未达到WHO空气质量标准，疾病负担系统分析结果显示：2016年空气污染造成的归因死亡人数为611．64万。空气污染已经成为并且未来仍然是世界各... 详细信息

WHO指出，空气污染是影响健康的主要环境风险之一，2014年，92％的世界人口所在地的空气质量未达到WHO空气质量标准，疾病负担系统分析结果显示：2016年空气污染造成的归因死亡人数为611．64万。空气污染已经成为并且未来仍然是世界各国面临的重要环境卫生问题。

关键词：空气污染物环境暴露微环境模型时间-活动模式风险评估

第29届奥运会室内环境健康危险识别、评价及管理

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毒理学杂志 2007年第6期21卷 467-470页

作者：徐东群中国疾病预防控制中心环境与健康相关产品安全所北京100021

为了满足第29届奥运会比赛和住宿的需求,新建了一些宾馆、饭店和体育场馆,对原有的宾馆、饭店和体育场馆也进行了装修改造。由于新型建筑、装饰材料的使用,以及为了节约能源建筑物采取密闭化管理方式均可造成室内空气污染。第29届奥运... 详细信息

为了满足第29届奥运会比赛和住宿的需求,新建了一些宾馆、饭店和体育场馆,对原有的宾馆、饭店和体育场馆也进行了装修改造。由于新型建筑、装饰材料的使用,以及为了节约能源建筑物采取密闭化管理方式均可造成室内空气污染。第29届奥运会期间,来自世界各国的运动员、教练员、媒体记者等将聚集北京,造成各种室内公共场所的人群密集,由于人员的流动性大,易混杂各种污染源,室内环境中的设备及物品重复使用,容易造成疾病特别是传染病的传播。我们针对这一特点探讨了室内环境健康危险因素的识别、危险度评价,在预防第一的原则下,提出了危险度管理措施,最大限度地降低室内环境健康风险。

关键词：室内环境健康危险因素危害识别危险度评价危险度管理

SARS-CoV-2 Aerosol Transmission Through Vertical Sanitary Drains in High-Rise Buildings--Shenzhen,Guangdong Province,China,March 2022

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China CDC weekly 2022年第23期4卷 489-493,I0002,I0003页

作者： Keyang Lyu Siyang Feng Xia Li Qin Wang Xiaoning Zhao Shuyuan Yu Ping Zheng Jiajia Ji Guomin Chen Jing Liang Tao Lan Jinshu Feng Shuai Jiang Jianhua Lu Tianlong Xia Chaoqiong Peng Tiejian Feng dongqun xu Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijingChina Shenzhen Center for Disease Control and Prevention Shenzhen CityGuangdong ProvinceChina Division of Chemical Analysis Biology and MedicineBeijing Institute of MetrologyBeijingChina Futian District Center for Disease Control and Prevention Shenzhen CityGuangdong ProvinceChina

Summary What is already known about this topic?Aerosol transmission of severe acute respiratory syndrome coronavirus 2(SARS-CoV-2)via sanitary pipelines in high-rise buildings is possible,however,there is a lack of ex... 详细信息

关键词： Vertical Guangdong Summary