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Infection Risks Faced by Public Health Laboratory Services Teams When Handling Specimens Associated With Coronavirus Disease 2019 (COVID-19)

Safety and Health at Work 2020년 11권 3호 p.372 ~ 377
Wong Chun-Kwan, Tsang Dominic N. C., Chan Rickjason C. W., Lam Edman T. K., Jong Kwok-Kwan,
소속 상세정보
 ( Wong Chun-Kwan ) - Centre for Health Protection Department of Health
 ( Tsang Dominic N. C. ) - Centre for Health Protection Department of Health
 ( Chan Rickjason C. W. ) - Centre for Health Protection Department of Health
 ( Lam Edman T. K. ) - Centre for Health Protection Department of Health
 ( Jong Kwok-Kwan ) - Centre for Health Protection Department of Health

Abstract


Infection risks of handling specimens associated with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) by public health laboratory services teams were assessed to scrutinize the potential hazards arising from the work procedures. Through risk assessments of all work sequences, laboratory equipment, and workplace environments, no aerosol-generating procedures could be identified except the procedures (mixing and transfer steps) inside biological safety cabinets. Appropriate personal protective equipment (PPE) such as surgical masks, protective gowns, face shields/safety goggles, and disposable gloves, together with pertinent safety training, was provided for laboratory work. Proper disinfection and good hand hygiene practices could minimize the probability of SARS-CoV-2 infection at work. All residual risk levels of the potential hazards identified were within the acceptable level. Contamination by gloved hands was considered as a major exposure route for SARS-CoV-2 when compared with eye protection equipment. Competence in proper donning and doffing of PPE accompanied by hand washing techniques was of utmost importance for infection control.

키워드

COVID-19; Hand hygiene; Laboratory workers; Occupational safety; Risk assessment

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