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Abstract

Introduction

The detection of SARS-CoV-2 with rapid diagnostic tests (RDT) has become an important tool to identify infected people and break infection chains. These RDT are usually based on antigen detection in a lateral flow approach.

Aim

We aimed to establish a comprehensive specimen panel for the decentralised technical evaluation of SARS-CoV-2 antigen rapid diagnostic tests.

Methods

While for PCR diagnostics the validation of a PCR assay is well established, there is no common validation strategy for antigen tests, including RDT. In this proof-of-principle study we present the establishment of a panel of 50 pooled clinical specimens that cover a SARS-CoV-2 concentration range from 1.1 × 109 to 420 genome copies per mL of specimen. The panel was used to evaluate 31 RDT in up to six laboratories.

Results

Our results show that there is considerable variation in the detection limits and the clinical sensitivity of different RDT. We show that the best RDT can be applied to reliably identify infectious individuals who present with SARS-CoV-2 loads down to 106 genome copies per mL of specimen. For the identification of infected individuals with SARS-CoV-2 loads corresponding to less than 106 genome copies per mL, only three RDT showed a clinical sensitivity of more than 60%.

Conclusions

Sensitive RDT can be applied to identify infectious individuals with high viral loads but not to identify all infected individuals.

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This work is licensed under a Creative Commons Attribution 4.0 International License.
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/content/10.2807/1560-7917.ES.2021.26.44.2100442
2021-11-04
2024-12-03
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2021.26.44.2100442
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Establishment of a specimen panel for the decentralised technical evaluation of the sensitivity of 31 rapid diagnostic tests for SARS-CoV-2 antigen, Germany, September 2020 to April 2021
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Andreas+Puyskens&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Puyskens Andreas</a>, <a href="/search?value1=Eva+Krause&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Krause Eva</a>, <a href="/search?value1=Janine+Michel&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Michel Janine</a>, <a href="/search?value1=C+Micha+N%C3%BCbling&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nübling C Micha</a>, <a href="/search?value1=Heinrich+Scheiblauer&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Scheiblauer Heinrich</a>, <a href="/search?value1=Daniel+Bourquain&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bourquain Daniel</a>, <a href="/search?value1=Marica+Grossegesse&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Grossegesse Marica</a>, <a href="/search?value1=Roman+Valusenko&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Valusenko Roman</a>, <a href="/search?value1=Victor+M+Corman&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Corman Victor M</a>, <a href="/search?value1=Christian+Drosten&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Drosten Christian</a>, <a href="/search?value1=Katrin+Zwirglmaier&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zwirglmaier Katrin</a>, <a href="/search?value1=Roman+W%C3%B6lfel&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Wölfel Roman</a>, <a href="/search?value1=Constanze+Lange&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lange Constanze</a>, <a href="/search?value1=Jan+Kramer&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Kramer Jan</a>, <a href="/search?value1=Johannes+Friesen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Friesen Johannes</a>, <a href="/search?value1=Ralf+Ignatius&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Ignatius Ralf</a>, <a href="/search?value1=Michael+M%C3%BCller&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Müller Michael</a>, <a href="/search?value1=Jonas+Schmidt-Chanasit&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Schmidt-Chanasit Jonas</a>, <a href="/search?value1=Petra+Emmerich&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Emmerich Petra</a>, <a href="/search?value1=Lars+Schaade&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Schaade Lars</a>, <a href="/search?value1=Andreas+Nitsche&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Nitsche Andreas</a></span>. Establishment of a specimen panel for the decentralised technical evaluation of the sensitivity of 31 rapid diagnostic tests for SARS-CoV-2 antigen, Germany, September 2020 to April 2021. <a href="/content/ecdc">Euro Surveill.</a> 2021;26(44):pii=2100442. <a href="https://doi.org/10.2807/1560-7917.ES.2021.26.44.2100442" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2021.26.44.2100442</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 08 May 2021;&nbsp;&nbsp; <span class="generated">Accepted</span>: 10 Sept 2021 </span> </p>
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