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On-site analysis of COVID-19 on the surfaces in wards.
Wan, Bin; Zhang, Xinlian; Luo, Dongxia; Zhang, Tong; Chen, Xi; Yao, Yuhan; Zhao, Xia; Lei, Limei; Liu, Chunmei; Zhao, Wang; Zhou, Lin; Ge, Yuqing; Mao, Hongju; Liu, Sixiu; Chen, Jianmin; Cheng, Xunjia; Zhao, Jianlong; Sui, Guodong.
  • Wan B; Public Health Clinical Center of Chengdu, No. 377 Jingming Road, Jinjiang District, Chengdu, Sichuan 610066, China.
  • Zhang X; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China.
  • Luo D; Public Health Clinical Center of Chengdu, No. 377 Jingming Road, Jinjiang District, Chengdu, Sichuan 610066, China.
  • Zhang T; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China.
  • Chen X; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China.
  • Yao Y; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China.
  • Zhao X; Public Health Clinical Center of Chengdu, No. 377 Jingming Road, Jinjiang District, Chengdu, Sichuan 610066, China.
  • Lei L; Public Health Clinical Center of Chengdu, No. 377 Jingming Road, Jinjiang District, Chengdu, Sichuan 610066, China.
  • Liu C; Public Health Clinical Center of Chengdu, No. 377 Jingming Road, Jinjiang District, Chengdu, Sichuan 610066, China.
  • Zhao W; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China.
  • Zhou L; State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, Shanghai 200050, China.
  • Ge Y; State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, Shanghai 200050, China.
  • Mao H; State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, Shanghai 200050, China.
  • Liu S; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China.
  • Chen J; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China; Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji
  • Cheng X; Department of Medical Microbiology, Key Laboratory of Medical Molecular Virology of Ministries of Education and Health, School of Basic Medical Sciences, Fudan University, 131 Dongan Road, Shanghai 200032, China.
  • Zhao J; State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology (SIMIT), Chinese Academy of Sciences, Shanghai 200050, China. Electronic address: jlzhao@mail.sim.ac.cn.
  • Sui G; Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention (LAP(3)), Department of Environment Science & Engineering, Fudan University, Shanghai 200433, China; Shanghai Institute of Pollution Control and Ecological Security, College of Environmental Science and Engineering, Tongji
Sci Total Environ ; 753: 141758, 2021 Jan 20.
Article in English | MEDLINE | ID: covidwho-718995
ABSTRACT
SARS-Cov-2 has erupted across the globe, and confirmed cases of COVID-19 pose a high infection risk. Infected patients typically receive their treatment in specific isolation wards, where they are confined for at least 14 days. The virus may contaminate any surface of the room, especially frequently touched surfaces. Therefore, surface contamination in wards should be monitored for disease control and hygiene purposes. Herein, surface contamination in the ward was detected on-site using an RNA extraction-free rapid method. The whole detection process, from surface sample collection to readout of the detection results, was finished within 45 min. The nucleic acid extraction-free method requires minimal labor. More importantly, the tests were performed on-site and the results were obtained almost in real-time. The test confirmed that 31 patients contaminated seven individual sites. Among the sampled surfaces, the electrocardiogram fingertip presented a 72.7% positive rate, indicating that this surface is an important hygiene site. Meanwhile, the bedrails showed the highest correlation with other surfaces, so should be detected daily. Another surface with high contamination risk was the door handle in the bathroom. To our knowledge, we present the first on-site analysis of COVID-19 surface contamination in wards. The results and applied technique provide a potential further reference for disease control and hygiene suggestions.
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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Equipment Contamination / Coronavirus Infections / Pandemics / Betacoronavirus Type of study: Observational study / Prognostic study Limits: Humans Language: English Journal: Sci Total Environ Year: 2021 Document Type: Article Affiliation country: J.scitotenv.2020.141758

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Full text: Available Collection: International databases Database: MEDLINE Main subject: Pneumonia, Viral / Equipment Contamination / Coronavirus Infections / Pandemics / Betacoronavirus Type of study: Observational study / Prognostic study Limits: Humans Language: English Journal: Sci Total Environ Year: 2021 Document Type: Article Affiliation country: J.scitotenv.2020.141758