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Absence of nosocomial transmission of coronavirus disease 2019 (COVID-19) due to SARS-CoV-2 in the prepandemic phase in Hong Kong.
Am J Infect Control. 2020 08; 48(8):890-896.AJ

Abstract

BACKGROUND

To describe the infection control strategy to achieve zero nosocomial transmission of symptomatic coronavirus disease (COVID-19) due to SARS-CoV-2 during the prepandemic phase (the first 72 days after announcement of pneumonia cases in Wuhan) in Hong Kong.

METHODS

Administrative support with the aim of zero nosocomial transmission by reducing elective clinical services, decanting wards, mobilizing isolation facilities, providing adequate personal protective equipment, coordinating laboratory network for rapid molecular diagnosis under 4-tier active surveillance for hospitalized patients and outpatients, and organizing staff forum and training was implemented under the framework of preparedness plan in Hospital Authority. The trend of SARS-CoV-2 in the first 72 days was compared with that of SARS-CoV 2003.

RESULTS

Up to day 72 of the epidemic, 130 (0.40%) of 32,443 patients being screened confirmed to have SARS-CoV-2 by reverse transcription polymerase chain reaction. Compared with SARS outbreak in 2003, the SARS-CoV-2 case load constituted 8.9% (130 SARS-CoV-2/1458 SARS-CoV) of SARS-CoV infected cases at day 72 of the outbreak. The incidences of nosocomial acquisition of SARS-CoV per 1,000 SARS-patient-day and per 100 SARS-patient-admission were 7.9 and 16.9, respectively, which were significantly higher than the corresponding incidences of SARS-CoV-2 (zero infection, P <.001).

CONCLUSIONS

Administrative support to infection control could minimize the risk of nosocomial transmission of SARS-CoV-2.

Authors+Show Affiliations

Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China; Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.Infection Control Team, Queen Mary Hospital, Hong Kong West Cluster, Hong Kong Special Administrative Region, China.Quality & Safety Division (Infection, Emergency, and Contingency), Hospital Authority, Hong Kong Special Administrative Region, China.Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.Department of Microbiology, Queen Mary Hospital, Hong Kong Special Administrative Region, China.Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.Department of Medicine, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China.Department of Microbiology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Hong Kong Special Administrative Region, China. Electronic address: kyyuen@hku.hk.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

32461068

Citation

Cheng, Vincent C C., et al. "Absence of Nosocomial Transmission of Coronavirus Disease 2019 (COVID-19) Due to SARS-CoV-2 in the Prepandemic Phase in Hong Kong." American Journal of Infection Control, vol. 48, no. 8, 2020, pp. 890-896.
Cheng VCC, Wong SC, Chuang VWM, et al. Absence of nosocomial transmission of coronavirus disease 2019 (COVID-19) due to SARS-CoV-2 in the prepandemic phase in Hong Kong. Am J Infect Control. 2020;48(8):890-896.
Cheng, V. C. C., Wong, S. C., Chuang, V. W. M., So, S. Y. C., Chen, J. H. K., Sridhar, S., To, K. K. W., Chan, J. F. W., Hung, I. F. N., Ho, P. L., & Yuen, K. Y. (2020). Absence of nosocomial transmission of coronavirus disease 2019 (COVID-19) due to SARS-CoV-2 in the prepandemic phase in Hong Kong. American Journal of Infection Control, 48(8), 890-896. https://doi.org/10.1016/j.ajic.2020.05.018
Cheng VCC, et al. Absence of Nosocomial Transmission of Coronavirus Disease 2019 (COVID-19) Due to SARS-CoV-2 in the Prepandemic Phase in Hong Kong. Am J Infect Control. 2020;48(8):890-896. PubMed PMID: 32461068.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Absence of nosocomial transmission of coronavirus disease 2019 (COVID-19) due to SARS-CoV-2 in the prepandemic phase in Hong Kong. AU - Cheng,Vincent C C, AU - Wong,Shuk-Ching, AU - Chuang,Vivien W M, AU - So,Simon Y C, AU - Chen,Jonathan H K, AU - Sridhar,Siddharth, AU - To,Kelvin K W, AU - Chan,Jasper F W, AU - Hung,Ivan F N, AU - Ho,Pak-Leung, AU - Yuen,Kwok-Yung, Y1 - 2020/05/24/ PY - 2020/03/24/received PY - 2020/05/07/accepted PY - 2020/5/29/pubmed PY - 2020/8/11/medline PY - 2020/5/29/entrez KW - Coronavirus KW - Health care workers KW - Outbreak SP - 890 EP - 896 JF - American journal of infection control JO - Am J Infect Control VL - 48 IS - 8 N2 - BACKGROUND: To describe the infection control strategy to achieve zero nosocomial transmission of symptomatic coronavirus disease (COVID-19) due to SARS-CoV-2 during the prepandemic phase (the first 72 days after announcement of pneumonia cases in Wuhan) in Hong Kong. METHODS: Administrative support with the aim of zero nosocomial transmission by reducing elective clinical services, decanting wards, mobilizing isolation facilities, providing adequate personal protective equipment, coordinating laboratory network for rapid molecular diagnosis under 4-tier active surveillance for hospitalized patients and outpatients, and organizing staff forum and training was implemented under the framework of preparedness plan in Hospital Authority. The trend of SARS-CoV-2 in the first 72 days was compared with that of SARS-CoV 2003. RESULTS: Up to day 72 of the epidemic, 130 (0.40%) of 32,443 patients being screened confirmed to have SARS-CoV-2 by reverse transcription polymerase chain reaction. Compared with SARS outbreak in 2003, the SARS-CoV-2 case load constituted 8.9% (130 SARS-CoV-2/1458 SARS-CoV) of SARS-CoV infected cases at day 72 of the outbreak. The incidences of nosocomial acquisition of SARS-CoV per 1,000 SARS-patient-day and per 100 SARS-patient-admission were 7.9 and 16.9, respectively, which were significantly higher than the corresponding incidences of SARS-CoV-2 (zero infection, P <.001). CONCLUSIONS: Administrative support to infection control could minimize the risk of nosocomial transmission of SARS-CoV-2. SN - 1527-3296 UR - https://www.unboundmedicine.com/medline/citation/32461068/Absence_of_nosocomial_transmission_of_coronavirus_disease_2019__COVID_19__due_to_SARS_CoV_2_in_the_prepandemic_phase_in_Hong_Kong_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0196-6553(20)30280-7 DB - PRIME DP - Unbound Medicine ER -