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Infection prevention and control insights from a decade of pathogen whole-genome sequencing
Journal of Hospital Infection ; 122:180-186, 2022.
Article in English | Web of Science | ID: covidwho-1799838
ABSTRACT
Pathogen whole-genome sequencing has become an important tool for understanding the transmission and epidemiology of infectious diseases. It has improved our understanding of sources of infection and transmission routes for important healthcare-associated patho-gens, including Clostridioides difficile and Staphylococcus aureus. Transmission from known infected or colonized patients in hospitals may explain fewer cases than previously thought and multiple introductions of these pathogens from the community may play a greater a role. The findings have had important implications for infection prevention and control. Sequencing has identified heterogeneity within pathogen species, with some subtypes transmitting and persisting in hospitals better than others. It has identified sources of infection in healthcare-associated outbreaks of food-borne pathogens, Candida auris and Mycobacterium chimera, as well as individuals or groups involved in transmission and historical sources of infection. SARS-CoV-2 sequencing has been central to tracking variants during the COVID-19 pandemic and has helped understand transmission to and from patients and healthcare workers despite prevention efforts. Metagenomic sequenc-ing is an emerging technology for culture-independent diagnosis of infection and anti-microbial resistance. In future, sequencing is likely to become more accessible and widely available. Real-time use in hospitals may allow infection prevention and control teams to identify transmission and to target interventions. It may also provide surveillance and infection control benchmarking. Attention to ethical and wellbeing issues arising from sequencing identifying individuals involved in transmission is important. Pathogen whole-genome sequencing has provided an incredible new lens to understand the epidemiology of healthcare-associated infection and to better control and prevent these infections. (c) 2022 The Healthcare Infection Society. Published by Elsevier Ltd. All rights reserved.
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Full text: Available Collection: Databases of international organizations Database: Web of Science Type of study: Prognostic study / Randomized controlled trials Topics: Variants Language: English Journal: Journal of Hospital Infection Year: 2022 Document Type: Article

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Full text: Available Collection: Databases of international organizations Database: Web of Science Type of study: Prognostic study / Randomized controlled trials Topics: Variants Language: English Journal: Journal of Hospital Infection Year: 2022 Document Type: Article