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Contamination of personal protective equipment and environmental surfaces in Fangcang shelter hospitals.
Yao, Yumeng; Cui, Yangwen; Gao, Xiaodong; Qian, Yiyi; Hu, Bijie.
  • Yao Y; Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
  • Cui Y; Department of Infection Control and Management, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
  • Gao X; Department of Infection Control and Management, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
  • Qian Y; Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
  • Hu B; Department of Infectious Diseases, Zhongshan Hospital, Fudan University, Shanghai, 200032, China; Department of Infection Control and Management, Zhongshan Hospital, Fudan University, Shanghai, 200032, China. Electronic address: hu_bijie@163.com.
Am J Infect Control ; 2022 Nov 23.
Article in English | MEDLINE | ID: covidwho-2246553
ABSTRACT

BACKGROUND:

Fangcang shelter hospitals emerged as a new public health concept after COVID-19. Data regarding contamination of Fangcang shelter environments remains scarce. This study aims to investigate the extent of SARS-CoV-2 contamination on personal protective equipment and surfaces in Fangcang hospitals.

METHODS:

Between March and May 2022, during wave of omicron variant, a prospective study was conducted in two Fangcang hospitals in Shanghai, China. Swabs of personal protective equipment worn and environmental surfaces of contaminated areas, doffing rooms, and potentially contaminated areas were collected. SARS-CoV-2 RNA was detected by reverse transcription quantitative polymerase chain reaction. If viral RNA was detected, sampling was repeated after cleaning and disinfection.

RESULTS:

A total of 602 samples were collected. 13.3% of the personal protective equipment were contaminated. Positive rate was higher in the contaminated areas (48.4%) than in the doffing rooms (11.7%) and the potentially contaminated areas (0; P<0.05). Contamination was highest in patient occupied areas 67.5%. After cleaning, samples taken at previously contaminated surfaces are all negative.

CONCLUSIONS:

SARS-CoV-2 RNA contamination is prevalent in Fangcang hospitals and healthcare workers are under risk of infection. Potentially contaminated areas and surfaces after cleaning and disinfection are negative, underlying the importance of infection control policy.
Keywords

Full text: Available Collection: International databases Database: MEDLINE Type of study: Cohort study / Observational study / Prognostic study Topics: Variants Language: English Year: 2022 Document Type: Article Affiliation country: J.ajic.2022.11.016

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Full text: Available Collection: International databases Database: MEDLINE Type of study: Cohort study / Observational study / Prognostic study Topics: Variants Language: English Year: 2022 Document Type: Article Affiliation country: J.ajic.2022.11.016