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

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 

机构地区：[1]Key Laboratory of Environment and Population Health,National Institute of Environmental Health,Chinese Center for Disease Control and Prevention,Beijing,China [2]Division of Chemical Analysis,Biology and Medicine,Beijing Institute of Metrology,Beijing,China [3]Mentougou District Center for Disease Control and Prevention,Beijing,China [4]Beijing Center for Disease Control and Prevention,Beijing,China

出　　处：《China CDC weekly》2023年第1期1-4,I0001-I0003,共7页中国疾病预防控制中心周报（英文）

基　　金：Supported by the Key Program of National Natural Science Foundation of China(No.92043201).

摘　　要：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 clear.What 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 

分 类 号：R563.1[医药卫生—呼吸系统]