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Frontiers of Environmental Science & Engineering

ISSN 2095-2201

ISSN 2095-221X(Online)

CN 10-1013/X

Postal Subscription Code 80-973

2018 Impact Factor: 3.883

Front. Environ. Sci. Eng.    2021, Vol. 15 Issue (5) : 110    https://doi.org/10.1007/s11783-021-1398-2
VIEWS & COMMENTS
Less attention paid to waterborne SARS-CoV-2 spreading in Beijing urban communities
Chunyan Wang1, Jiangshan Wang1, Yi Liu1(), Lei Zhang2, Yong Sun1, Jiuhui Qu1,3
1. School of Environment, Tsinghua University, Beijing 100084, China
2. School of Environment, Renmin University of China, Beijing 100872, China
3. Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Abstract

• A survey on individual’s perception of SARS-CoV-2 transmission was conducted.

• Waterborne transmission risks are far less perceived by individuals.

• Precautions of preventing wastewater mediated transmission are implemented.

• The precautions for wastewater transmission are less favored by the public.

• Education level differs the most regarding to waterborne transmission perception.

SARS-CoV-2 has been detected in various environmental media. Community and individual-engaged precautions are recommended to stop or slow environmentally-mediated transmission. To better understand the individual’s awareness of and precaution to environmental dissemination of SARS-CoV-2, an online survey was conducted in Beijing during March 14–25, 2020. It is found that the waterborne (especially wastewater mediated) spreading routes are far less perceived by urban communities. The precautions for wastewater transmission are less favored by the public than airborne and solid waste mediated spreading routes. Such risk communication asymmetry in waterborne transmission will be further enlarged in places with fragile water system. Furthermore, education level is the most significant attribution (Sig.<0.05) that causes the difference of awareness and precautions of the waterborne transmission among the respondents, according to the variance analysis results. Our survey results emphasize the urgent need for evidence-based, multifactorial precautions for current and future outbreaks of COVID-19.

Keywords Environmental dissemination      Risk communication      Individual perception     
Corresponding Author(s): Yi Liu   
Issue Date: 11 February 2021
 Cite this article:   
Chunyan Wang,Jiangshan Wang,Yi Liu, et al. Less attention paid to waterborne SARS-CoV-2 spreading in Beijing urban communities[J]. Front. Environ. Sci. Eng., 2021, 15(5): 110.
 URL:  
https://academic.hep.com.cn/fese/EN/10.1007/s11783-021-1398-2
https://academic.hep.com.cn/fese/EN/Y2021/V15/I5/110
Fig.1  Portion of respondents with different levels of awareness and precautions of SARS-CoV-2 environmental transmission. (a) Awareness of environmental transmission. (b) Precautions taken by individuals. (c) Supportiveness of community precautions
Questions No. Nonparametric tests analysis1 Mean comparison analysis2
Education level3,4 Gender3,5 Age6 Job type3,7 Education level Job type
High school (or equivalent) or below College (or equivalent) or above Non-medical related work Medical related work
Are you worried about the SARS-CoV-2 transmission via the water/wastewater system?8 W① 0.000 0.299 0.000 0.002 3.88 3.68 3.73 3.34
W② 0.000 0.249 0.223 0.000 4.46 4.29 4.34 3.86
W③ 0.000 0.463 0.048 0.000 4.67 4.40 4.47 3.96
W④ 0.000 0.519 0.168 0.005 4.36 4.16 4.21 3.90
To what extent are you supportive of the following statement about recycled water use9 W⑨ 0.000 0.992 0.131 0.271 4.59 4.46
W⑩ 0.000 0.432 0.301 0.637 4.39 4.16
W? 0.000 0.958 0.000 0.482 4.82 4.70
W? 0.000 0.600 0.000 0.802 4.82 4.63
W? 0.000 0.497 0.570 0.893 5.57 4.26
Tab.1  The statistical analysis of awareness and precautions of SARS-CoV-2 waterborne transmission and individual’s attributions
The explanations of the abbreviations used in Fig. 1 and Table 1:
Are you worried about the SARS-CoV-2 transmission via the aerosol transmission?
A① Go the supermarket without wearing masks
A② Take the bus without wearing masks
A③ Exercise in public places without wearing masks
Are you worried about the SARS-CoV-2 transmission via the water/wastewater system?
W① Freshwater may be contaminated
W② Wastewater plumbing system within the housing block
W③ Community septic tank and the drainage pipeline
W④ Reclaimed water used within the residential buildings
Are you worried about the SARS-CoV-2 transmission via the solid waste management in your community?
S① Not timely cleared and transported in community
S② Improper treatment of solid waste in community
S③ Improper disposal of discarded masks in community
Regarding the potential risks of aerosol transmission, would you take the following protective?
A④ Not take public transportation
A⑤ Minimize the time and frequency of going out
A⑥ Wear a mask when going out
A⑦ Increase the frequency of room ventilation
A⑧ Disinfect regularly at home
Regarding the potential risks of fecal-oral transmission, would you take the following protective measures?
W⑤ Check and keep the sewer water seal intact
W⑥ Regularly disinfect the water seal of the sewer at home
W⑦ Close the toilet lid when flushing
W⑧ Avoid using reclaimed water (in-home)
Regarding the potential risks caused by solid waste, would you take the following protective measures?
S④ Properly dispose used masks (such as disinfection, folding before discard)
S⑤ Discard used masks to specific place
S⑥ Classify waste as required
To what extent are you supportive of the following stating about recycled water use?
W⑨ The reclaimed water could still be used for toilet
W⑩ The reclaimed water used in residential buildings should be replaced by freshwater
W? The reclaimed water could still be used for recreation
W? The reclaimed water use for recreation should be replaced by freshwater
W? The reclaimed water should be completed forbidden during the pandemic
To what extent are you supportive of the following stating about community solid waste management?
S⑦ The solid waste should be cleared more frequently
S⑧ The solid waste should be sanitized everyday
S⑨ The waste masks should be disposal and treated separately
  
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