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Article Dans Une Revue Viruses Année : 2021

Performance of Self-Collected Saliva Testing Compared with Nasopharyngeal Swab Testing for the Detection of SARS-CoV-2

Florence Carrouel
Martine Valette
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Hervé Perrier
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Claude Dussart
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Paul Tramini
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Denis Bourgeois
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Résumé

The aim of this study was to determine whether self-collected pure saliva (SCPS) is comparable to nasopharyngeal (NP) swabs in the quantitative detection of SARS-CoV-2 by RT-PCR in asymptomatic, mild patients with confirmed COVID-19. Thirty-one patients aged from 18 to 85 years were included between 9 June and 11 December 2020. A SCPS sample and a NP sample were taken for each patient. Quantitative PCR was performed to detect SARS-CoV-2 viral load. Results of SCPS vs NP samples testing were compared. Statistical analyses were performed. Viral load was significantly correlated (r = 0.72). The concordance probability was estimated at 73.3%. In symptomatic adults, SCPS performance was similar to that of NP swabs (Percent Agreement = 74.1%; p = 0.11). Thus, the salivary test based on pure oral saliva samples easily obtained by noninvasive techniques has a fair agreement with the nasopharyngeal one in asymptomatic, mild patients with a confirmed diagnosis of COVID-19.
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Dates et versions

hal-03228989 , version 1 (18-05-2021)

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Florence Carrouel, Martine Valette, Hervé Perrier, Maude Bouscambert-Duchamp, Claude Dussart, et al.. Performance of Self-Collected Saliva Testing Compared with Nasopharyngeal Swab Testing for the Detection of SARS-CoV-2. Viruses, 2021, 13 (5), pp.895. ⟨10.3390/v13050895⟩. ⟨hal-03228989⟩
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