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Abstract

Interim results from Canada's Sentinel Practitioner Surveillance Network show that during a season characterised by early co-circulation of influenza A and B viruses, the 2019/20 influenza vaccine has provided substantial protection against medically-attended influenza illness. Adjusted VE overall was 58% (95% confidence interval (CI): 47 to 66): 44% (95% CI: 26 to 58) for A(H1N1)pdm09, 62% (95% CI: 37 to 77) for A(H3N2) and 69% (95% CI: 57 to 77) for influenza B viruses, predominantly B/Victoria lineage.

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/content/10.2807/1560-7917.ES.2020.25.7.2000103
2020-02-20
2024-11-21
http://instance.metastore.ingenta.com/content/10.2807/1560-7917.ES.2020.25.7.2000103
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Interim estimates of 2019/20 vaccine effectiveness during early-season co-circulation of influenza A and B viruses, Canada, February 2020
<p class="citation"> <span>Citation style for this article:</span> <span class="meta-value authors"> <a href="/search?value1=Danuta+M+Skowronski&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Skowronski Danuta M</a>, <a href="/search?value1=Macy+Zou&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Zou Macy</a>, <a href="/search?value1=Suzana+Sabaiduc&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Sabaiduc Suzana</a>, <a href="/search?value1=Michelle+Murti&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Murti Michelle</a>, <a href="/search?value1=Romy+Olsha&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Olsha Romy</a>, <a href="/search?value1=James+A+Dickinson&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Dickinson James A</a>, <a href="/search?value1=Jonathan+B+Gubbay&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Gubbay Jonathan B</a>, <a href="/search?value1=Matthew+A+Croxen&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Croxen Matthew A</a>, <a href="/search?value1=Hugues+Charest&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Charest Hugues</a>, <a href="/search?value1=Agatha+Jassem&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Jassem Agatha</a>, <a href="/search?value1=Mel+Krajden&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Krajden Mel</a>, <a href="/search?value1=Nathalie+Bastien&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Bastien Nathalie</a>, <a href="/search?value1=Yan+Li&option1=author&noRedirect=true" class="nonDisambigAuthorLink">Li Yan</a>, <a href="/search?value1=Gaston+De+Serres&option1=author&noRedirect=true" class="nonDisambigAuthorLink">De Serres Gaston</a></span>. Interim estimates of 2019/20 vaccine effectiveness during early-season co-circulation of influenza A and B viruses, Canada, February 2020. <a href="/content/ecdc">Euro Surveill.</a> 2020;25(7):pii=2000103. <a href="https://doi.org/10.2807/1560-7917.ES.2020.25.7.2000103" title="doi link" target="_blank">https://doi.org/10.2807/1560-7917.ES.2020.25.7.2000103</a> <span class="ES_Article_citation"> <span class="generated">Received</span>: 07 Feb 2020;&nbsp;&nbsp; <span class="generated">Accepted</span>: 20 Feb 2020 </span> </p>
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