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Bacteriological Monitoring and Evaluation of Cleaning-disinfection of Computer-related Equipment in an Obstetric and Gynecology Hospital

Meiling Li, Tingyan Lu, Hongwei Zhang, Shufang Chen, Xueying Mao, Li Shen, Yan Lu, Shufang Leng
doi: https://doi.org/10.1101/784017
Meiling Li
1Department of hospital infection management, The International Peace Maternity & Child Health Hospital of China welfare institute attached to Shanghai Jiao Tong university school of medicine, Shanghai, China
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  • For correspondence: limeilinghua@163.com 18017316228@163.com
Tingyan Lu
2Department of Clinical laboratory, The International Peace Maternity & Child Health Hospital of China welfare institute attached to Shanghai Jiao Tong university school of medicine, Shanghai, China
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Hongwei Zhang
3Department of Epidemiology, Secondary Military Medical University, Shanghai, China
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Shufang Chen
1Department of hospital infection management, The International Peace Maternity & Child Health Hospital of China welfare institute attached to Shanghai Jiao Tong university school of medicine, Shanghai, China
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  • For correspondence: limeilinghua@163.com 18017316228@163.com
Xueying Mao
4Centre for Molecular Oncology, Barts Cancer Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, UK
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Li Shen
2Department of Clinical laboratory, The International Peace Maternity & Child Health Hospital of China welfare institute attached to Shanghai Jiao Tong university school of medicine, Shanghai, China
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Yan Lu
5Department of Internal medicine, The International Peace Maternity & Child Health Hospital of China welfare institute attached to Shanghai Jiao Tong university school of medicine, Shanghai, China
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Shufang Leng
1Department of hospital infection management, The International Peace Maternity & Child Health Hospital of China welfare institute attached to Shanghai Jiao Tong university school of medicine, Shanghai, China
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Abstract

It is already known that computer keyboards and mouses in hospitals are contaminated with different kinds of bacteria. However, the mouse pad has been neglected with regard to both research and regular cleaning and disinfection in hospitals. In our study, we monitored and evaluated the bacteriology degrees of 74 computers’ keyboards, mouses and mouse pads from six departments. The results showed that before cleaning-disinfection, the contamination rate of the mouse pad ranked second following the keyboards. Enterococcus Faecium was cultured from the mouse pads. The computer-related equipment in the wards and outpatient rooms were much more contaminated than that in the operating rooms. Acinetobacter spp. was only isolated from the doctor’s computers. After cleaning-disinfection, 4 strains of MRSA were isolated from the keyboards and the mouses, one and 3 were cultured at day 3 and day 5 after cleaning-disinfection, respectively. One strain of Pseudomonas Aeruginosa was isolated from the mouses at day 3 after cleaning-disinfection. These demonstrated that the bacterial contamination of the mouse pads must be as emphasized as that of the keyboards and mouses. Furthermore, It is better to clean and disinfect the computer-related equipment(keyboards, mouses, mouse pads) at least once a day.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY 4.0 International license.
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Posted September 26, 2019.
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Bacteriological Monitoring and Evaluation of Cleaning-disinfection of Computer-related Equipment in an Obstetric and Gynecology Hospital
Meiling Li, Tingyan Lu, Hongwei Zhang, Shufang Chen, Xueying Mao, Li Shen, Yan Lu, Shufang Leng
bioRxiv 784017; doi: https://doi.org/10.1101/784017
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Bacteriological Monitoring and Evaluation of Cleaning-disinfection of Computer-related Equipment in an Obstetric and Gynecology Hospital
Meiling Li, Tingyan Lu, Hongwei Zhang, Shufang Chen, Xueying Mao, Li Shen, Yan Lu, Shufang Leng
bioRxiv 784017; doi: https://doi.org/10.1101/784017

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