Interim estimates of 2019/20 vaccine effectiveness during early-season co-circulation of influenza A and B viruses, Canada, February 2020.

doi: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.

Euro surveillance : bulletin Europeen sur les maladies transmissibles = European communicable disease bulletin - 1 Feb 2020

Skowronski Danuta M, Zou Macy, Sabaiduc Suzana, Murti Michelle, Olsha Romy, Dickinson James A, Gubbay Jonathan B, Croxen Matthew A, Charest Hugues, Jassem Agatha, Krajden Mel, Bastien Nathalie, Li Yan, De Serres Gaston

Abstract excerpt

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...

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PMID: 32098644
DOI: 10.2807/1560-7917.ES.2020.25.7.2000103
PMCID: PMC7043051

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