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Abstract

Background

In Denmark, influenza surveillance is ensured by data capturing from existing population-based registers. Since 2017, point-of-care (POC) testing has been implemented outside the regional clinical microbiology departments (CMD).

Aim

We aimed to assess influenza laboratory results in view of the introduction of POC testing.

Methods

We retrospectively observed routine surveillance data on national influenza tests before and after the introduction of POC testing as available in the Danish Microbiological Database. Also, we conducted a questionnaire study among Danish CMD about influenza diagnostics.

Results

Between the seasons 2014/15 and 2018/19, 199,744 influenza tests were performed in Denmark of which 44,161 were positive (22%). After the introduction of POC testing, the overall percentage of positive influenza tests per season did not decrease. The seasonal influenza test incidence was higher in all observed age groups. The number of operating testing platforms placed outside a CMD and with an instrument analytical time ≤ 3 h increased after 2017. Regionally, the number of tests registered as POC in the Danish Microbiological Database and the number of tests performed with an instrument analytical time ≤ 3 h or outside a CMD partially differed. Where comparable (71% of tests), the relative proportion of POC tests out of all tests increased from season 2017/18 to 2018/19. In both seasons, the percentage of positive POC tests resulted slightly lower than for non-POC tests.

Conclusion

POC testing integrated seamlessly into national influenza surveillance. We propose the use of POC results in the routine surveillance of seasonal influenza.

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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.2021.26.37.2000724
2021-09-16
2024-12-30
/content/10.2807/1560-7917.ES.2021.26.37.2000724
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Spotlight influenza: Influenza surveillance before and after the introduction of point-of-care testing in Denmark, season 2014/15 to 2018/19
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Guido+Benedetti&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Benedetti Guido</a>, <a href="/search?value1=Tyra+Grove+Krause&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Krause Tyra Grove</a>, <a href="/search?value1=Uffe+Vest+Schneider&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Schneider Uffe Vest</a>, <a href="/search?value1=Jan+Gorm+Lisby&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Lisby Jan Gorm</a>, <a href="/search?value1=Marianne+Voldstedlund&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Voldstedlund Marianne</a>, <a href="/search?value1=Didi+Bang&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bang Didi</a>, <a href="/search?value1=Ramona+Trebbien&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Trebbien Ramona</a>, <a href="/search?value1=Hanne-Dorthe+Emborg&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Emborg Hanne-Dorthe</a></span>. Spotlight influenza: Influenza surveillance before and after the introduction of point-of-care testing in Denmark, season 2014/15 to 2018/19. <a href="/content/ecdc">Euro Surveill.</a> 2021;26(37):pii=2000724. <a href="https://doi.org/10.2807/1560-7917.ES.2021.26.37.2000724" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2021.26.37.2000724</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 23 Apr 2020;&nbsp;&nbsp; <span class="generated">Accepted</span>: 09 Feb 2021 </span> </p>
/content/10.2807/1560-7917.ES.2021.26.37.2000724
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