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A Quantitative Estimate of the Expected Shortening of the Median Isolation Period of Patients With COVID-19 After the Adoption of a Symptom-Based Strategy

Bai, F; Tavelli, A; Mule, G; Falcinella, C; Mondatore, D; Tesoro, D; Barbanotti, D; ... D'Arminio Monforte, A; + view all (2021) A Quantitative Estimate of the Expected Shortening of the Median Isolation Period of Patients With COVID-19 After the Adoption of a Symptom-Based Strategy. Frontiers in Public Health , 9 , Article 639347. 10.3389/fpubh.2021.639347. Green open access

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Abstract

A long period of isolation was observed in patients hospitalized for COVID-19 in Milan over March-September 2020 (45; IQR: 37–54 days). A significantly shorter period would have been observed by the application of May-WHO (22, IQR: 17–30 days, P < 0.001) and October-Italian (26, IQR: 21–34 days, P < 0.001) Guidelines. The adoption of the new symptom-based criteria is likely to lead to a significant reduction in the length of the isolation period with potential social, economic and psychological benefits, particularly in the younger population with mild/moderate disease and no comorbidities. In our opinion, the release from isolation after 21 days from symptoms onset, even without a PCR diagnostic test, in most cases seems the most adequate strategy that could balance precautions to prevent SARS CoV-2 transmission and unnecessary prolonged isolation or overuse of diagnostic testing.

Type: Article
Title: A Quantitative Estimate of the Expected Shortening of the Median Isolation Period of Patients With COVID-19 After the Adoption of a Symptom-Based Strategy
Open access status: An open access version is available from UCL Discovery
DOI: 10.3389/fpubh.2021.639347
Publisher version: https://doi.org/10.3389/fpubh.2021.639347
Language: English
Additional information: © 2021 Bai, Tavelli, Mulè, Falcinella, Mondatore, Tesoro, Barbanotti, Tomasoni, Castoldi, Augello, Allegrini, Tagliaferri, Cona, Cozzi-Lepri, Marchetti and d'Arminio Monforte. This is an open-access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/).
Keywords: COVID-19, SARS CoV-2, molecular diagnosis, isolation and quarantine, criteria for releasing COVID-19 patients from isolation
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute for Global Health
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Population Health Sciences > Institute for Global Health > Infection and Population Health
URI: https://discovery.ucl.ac.uk/id/eprint/10131134
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