About: Sensitivity of different RT-qPCR solutions for SARS-CoV-2 detection

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An Entity of Type : schema:ScholarlyArticle, within Data Space : covidontheweb.inria.fr associated with source document(s)

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type	Academic Article research paper schema:ScholarlyArticle
isDefinedBy	Covid-on-the-Web dataset
has title	Sensitivity of different RT-qPCR solutions for SARS-CoV-2 detection
Creator	Flores, Carlos Valenzuela-Fernández, Agustín González-Montelongo, Rafaela Alcoba-Florez, Julia Ciuffreda, Laura García-Martínez De Artola, Diego Gil-Campesino, Helena
Source	Elsevier; Medline; PMC
abstract	Abstract Objectives The ongoing COVID-19 pandemic continues imposing a demand for diagnostic screening. In anticipation that the recurrence of outbreaks and the measures for lifting the lockdown worldwide may cause supply chain issues over the coming months, we assessed the sensitivity of a number of one-step retrotranscription and quantitative PCR (RT-qPCR) solutions to detect SARS-CoV-2. Methods We evaluated six different RT-qPCR alternatives for SARS-CoV-2/COVID-19 diagnosis based on standard RNA extractions. That of best sensitivity was also assessed with direct nasopharyngeal swab viral transmission medium (VTM) heating, overcoming the RNA extraction step. Results We found a wide variability in the sensitivity of RT-qPCR solutions that associated with a range of false negatives from as low as 2% (0.3-7.9%) to as much as 39.8% (30.2-50.2). Direct preheating of VTM combined with the best solution provided a sensitivity of 72.5% (62.5-81.0), in the range of some of the solutions based on standard RNA extractions. Conclusions We evidenced sensitivity limitations of currently used RT-qPCR solutions. Our results will help to calibrate the impact of false negative diagnoses of COVID-19, and to detect and control new SARS-CoV-2 outbreaks and community transmissions.
has issue date	2020-08-01(xsd:dateTime)
bibo:doi	10.1016/j.ijid.2020.07.058
bibo:pmid	32745627
has license	els-covid
sha1sum (hex)	fe268a97764523524ad02298b3c2e66310af6fbf
schema:url	https://doi.org/10.1016/j.ijid.2020.07.058
resource representing a document's title	Sensitivity of different RT-qPCR solutions for SARS-CoV-2 detection
has PubMed Central identifier	PMC7395224
has PubMed identifier	32745627
schema:publication	Int J Infect Dis
resource representing a document's body	covid:fe268a97764523524ad02298b3c2e66310af6fbf#body_text
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