Investigation of air dispersal during a rhinovirus outbreak in a pediatric intensive care unit
Copyright © 2023 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. All rights reserved..
BACKGROUND: While airborne transmission of rhinovirus is recognized in indoor settings, its role in hospital transmission remains unclear.
METHODS: We investigated an outbreak of rhinovirus in a pediatric intensive care unit (PICU) to assess air dispersal. We collected clinical, environmental, and air samples, and staff's surgical masks for viral load and phylogenetic analysis. Hand hygiene compliance and the number of air changes per hour in the PICU were measured. A case-control analysis was performed to identify nosocomial rhinovirus risk factors.
RESULTS: Between March 31, 2023, and April 2, 2023, three patients acquired rhinovirus in a cubicle (air changes per hour: 14) of 12-bed PICU. A portable air-cleaning unit was placed promptly. Air samples (72,000 L in 6 hours) from the cohort area, and outer surfaces of staff's masks (n = 8), were rhinovirus RNA-negative. Hand hygiene compliance showed no significant differences (31/34, 91.2% vs 33/37, 89.2%, P = 1) before and during outbreak. Only 1 environmental sample (3.8%) was positive (1.86 × 103 copies/mL). Case-control and next-generation sequencing analysis implicated an infected staff member as the source.
CONCLUSIONS: Our findings suggest that air dispersal of rhinovirus was not documented in the well-ventilated PICU during the outbreak. Further research is needed to better understand the dynamics of rhinovirus transmission in health care settings.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:52 |
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| Enthalten in: |
American journal of infection control - 52(2024), 4 vom: 16. März, Seite 472-478 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Wong, Shuk-Ching [VerfasserIn] |
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| Anmerkungen: |
Date Completed 22.03.2024 Date Revised 22.03.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.ajic.2023.11.003 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM364643889 |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 Association for Professionals in Infection Control and Epidemiology, Inc. Published by Elsevier Inc. All rights reserved. | ||
| 520 | |a BACKGROUND: While airborne transmission of rhinovirus is recognized in indoor settings, its role in hospital transmission remains unclear | ||
| 520 | |a METHODS: We investigated an outbreak of rhinovirus in a pediatric intensive care unit (PICU) to assess air dispersal. We collected clinical, environmental, and air samples, and staff's surgical masks for viral load and phylogenetic analysis. Hand hygiene compliance and the number of air changes per hour in the PICU were measured. A case-control analysis was performed to identify nosocomial rhinovirus risk factors | ||
| 520 | |a RESULTS: Between March 31, 2023, and April 2, 2023, three patients acquired rhinovirus in a cubicle (air changes per hour: 14) of 12-bed PICU. A portable air-cleaning unit was placed promptly. Air samples (72,000 L in 6 hours) from the cohort area, and outer surfaces of staff's masks (n = 8), were rhinovirus RNA-negative. Hand hygiene compliance showed no significant differences (31/34, 91.2% vs 33/37, 89.2%, P = 1) before and during outbreak. Only 1 environmental sample (3.8%) was positive (1.86 × 103 copies/mL). Case-control and next-generation sequencing analysis implicated an infected staff member as the source | ||
| 520 | |a CONCLUSIONS: Our findings suggest that air dispersal of rhinovirus was not documented in the well-ventilated PICU during the outbreak. Further research is needed to better understand the dynamics of rhinovirus transmission in health care settings | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Yip, Cyril C-Y |e verfasserin |4 aut | |
| 700 | 1 | |a Chen, Jonathan H-K |e verfasserin |4 aut | |
| 700 | 1 | |a Yuen, Lithia L-H |e verfasserin |4 aut | |
| 700 | 1 | |a AuYeung, Christine H-Y |e verfasserin |4 aut | |
| 700 | 1 | |a Chan, Wan-Mui |e verfasserin |4 aut | |
| 700 | 1 | |a Chu, Allen W-H |e verfasserin |4 aut | |
| 700 | 1 | |a Leung, Rhoda C-Y |e verfasserin |4 aut | |
| 700 | 1 | |a Ip, Jonathan D |e verfasserin |4 aut | |
| 700 | 1 | |a So, Simon Y-C |e verfasserin |4 aut | |
| 700 | 1 | |a Yuen, Kwok-Yung |e verfasserin |4 aut | |
| 700 | 1 | |a To, Kelvin K-W |e verfasserin |4 aut | |
| 700 | 1 | |a Cheng, Vincent C-C |e verfasserin |4 aut | |
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