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Comparison and correlation of commercial SARS-CoV-2 real-time-PCR assays, Ireland, June 2020
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View Affiliations Hide AffiliationsAnne Carrollanne.carroll hse.ie
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Citation style for this article: . Comparison and correlation of commercial SARS-CoV-2 real-time-PCR assays, Ireland, June 2020. Euro Surveill. 2021;26(6):pii=2002079. https://doi.org/10.2807/1560-7917.ES.2021.26.6.2002079 Received: 11 Dec 2020; Accepted: 11 Feb 2021
Abstract
We report the performance of a variety of commercially available SARS-CoV-2 PCR kits, used in several different sites across Ireland to determine if Ct values across platforms are comparable. We also investigate whether a Ct value, a surrogate for calculated viral loads in the absence of viral culture of > 34 can be used to exclude SARS-CoV-2 infection and its complications. We found a variation in Ct values from different assays for the same calculated viral load; this should be taken into consideration for result interpretation.
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