Low SARS-CoV-2 Cq values in healthcare workers with symptomatic COVID-19 infections, regardless of symptom severity, The Netherlands, January to August 2022

We analysed SARS-CoV-2 PCR Cq values from 3,183 healthcare workers who tested positive between January and August 2022. Median Cq values were lower in symptomatic than in asymptomatic HCW. The difference in Cq values between HCW with mild vs moderate/severe symptoms was statistically significant but...

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Bibliographic Details
Published in:Euro surveillance : bulletin européen sur les maladies transmissibles 2023-01, Vol.28 (4), p.1
Main Authors: van Rossum, Carsten, Meijer, Corianne, van Weerdenburg, Ingrid Jm, Bowles, Edmée C, Rovers, Chantal P, Ten Oever, Jaap, Stol, Kim, van der Geest, Nannet Dj, McCall, Matthew B, Tostmann, Alma
Format: Article
Language:English
Subjects:
Antibodies
COVID-19
COVID-19 - diagnosis
Cross Infection
Health care
Health Personnel
Humans
Medical personnel
Netherlands - epidemiology
Pandemics
Rapid Communication
SARS-CoV-2
Severe acute respiratory syndrome coronavirus 2
Viral infections
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Summary:We analysed SARS-CoV-2 PCR Cq values from 3,183 healthcare workers who tested positive between January and August 2022. Median Cq values were lower in symptomatic than in asymptomatic HCW. The difference in Cq values between HCW with mild vs moderate/severe symptoms was statistically significant but negligibly small. To prevent nosocomial infections, all symptomatic HCW should be tested irrespective of symptom severity. This information can support decisions on testing and isolation, in the context of ongoing pressure on healthcare systems.
ISSN:1560-7917
1025-496X
1560-7917
DOI:10.2807/1560-7917.ES.2023.28.4.2300007