tetano
Editor, Senior Moderator
China CDC Wkly
. 2022 Jun 10;4(23):489-493.
doi: 10.46234/ccdcw2022.108.
SARS-CoV-2 Aerosol Transmission Through Vertical Sanitary Drains in High-Rise Buildings - Shenzhen, Guangdong Province, China, March 2022
Keyang Lyu[SUP] 1 [/SUP], Siyang Feng[SUP] 2 [/SUP], Xia Li[SUP] 1 [/SUP], Qin Wang[SUP] 1 [/SUP], Xiaoning Zhao[SUP] 3 [/SUP], Shuyuan Yu[SUP] 2 [/SUP], Ping Zheng[SUP] 1 [/SUP], Jiajia Ji[SUP] 2 [/SUP], Guomin Chen[SUP] 2 [/SUP], Jing Liang[SUP] 4 [/SUP], Tao Lan[SUP] 2 [/SUP], Jinshu Feng[SUP] 2 [/SUP], Shuai Jiang[SUP] 2 [/SUP], Jianhua Lu[SUP] 2 [/SUP], Tianlong Xia[SUP] 2 [/SUP], Chaoqiong Peng[SUP] 2 [/SUP], Tiejian Feng[SUP] 2 [/SUP], Dongqun Xu[SUP] 1 [/SUP]
Affiliations
Abstract
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 experimental evidence.
What is added by this report?: The field simulation experiment confirmed the existence of a vertical aerosol transmission pathway from toilet flush-soil stack-floor drains without water seal. This report provided experimental evidence for vertical aerosol transmission of clustered outbreaks on 18 floors of a 33-story residential building.
What are the implications for public health practice?: The water seal on floor drains is a necessary barrier to prevent the risk of vertical aerosol transmission of infectious disease pathogens in buildings. It is necessary not only to have a U-shaped trap in the drainage pipe, but also to be filled with water regularly.
Keywords: Aerosol transmission; Floor drain; SARS-CoV-2; Toilet flush.
. 2022 Jun 10;4(23):489-493.
doi: 10.46234/ccdcw2022.108.
SARS-CoV-2 Aerosol Transmission Through Vertical Sanitary Drains in High-Rise Buildings - Shenzhen, Guangdong Province, China, March 2022
Keyang Lyu[SUP] 1 [/SUP], Siyang Feng[SUP] 2 [/SUP], Xia Li[SUP] 1 [/SUP], Qin Wang[SUP] 1 [/SUP], Xiaoning Zhao[SUP] 3 [/SUP], Shuyuan Yu[SUP] 2 [/SUP], Ping Zheng[SUP] 1 [/SUP], Jiajia Ji[SUP] 2 [/SUP], Guomin Chen[SUP] 2 [/SUP], Jing Liang[SUP] 4 [/SUP], Tao Lan[SUP] 2 [/SUP], Jinshu Feng[SUP] 2 [/SUP], Shuai Jiang[SUP] 2 [/SUP], Jianhua Lu[SUP] 2 [/SUP], Tianlong Xia[SUP] 2 [/SUP], Chaoqiong Peng[SUP] 2 [/SUP], Tiejian Feng[SUP] 2 [/SUP], Dongqun Xu[SUP] 1 [/SUP]
Affiliations
- PMID: 35813264
- PMCID: PMC9257235
- DOI: 10.46234/ccdcw2022.108
Abstract
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 experimental evidence.
What is added by this report?: The field simulation experiment confirmed the existence of a vertical aerosol transmission pathway from toilet flush-soil stack-floor drains without water seal. This report provided experimental evidence for vertical aerosol transmission of clustered outbreaks on 18 floors of a 33-story residential building.
What are the implications for public health practice?: The water seal on floor drains is a necessary barrier to prevent the risk of vertical aerosol transmission of infectious disease pathogens in buildings. It is necessary not only to have a U-shaped trap in the drainage pipe, but also to be filled with water regularly.
Keywords: Aerosol transmission; Floor drain; SARS-CoV-2; Toilet flush.