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Volume 26, Number 9—September 2020
Research

Detection of H1 Swine Influenza A Virus Antibodies in Human Serum Samples by Age Group1

Elien Vandoorn, Isabel Leroux-Roels, Geert Leroux-Roels, Anna Parys, Amy Vincent, and Kristien Van ReethComments to Author 
Author affiliations: Ghent University, Merelbeke, Belgium (E. Vandoorn, A. Parys, K. Van Reeth); Ghent University and Ghent University Hospital, Ghent, Belgium (I. Leroux-Roels, G. Leroux-Roels); National Animal Disease Center, Ames, Iowa, USA (A. Vincent)

Main Article

Figure 3

Number of positive human serum samples in the virus neutralization assay (titer >40) for each test virus compared with the total number of samples per birth cohort. Birth cohorts are represented as different colors. During August 2017–January 2018, a total of 549 serum samples were collected from immunocompetent persons in Belgium and pooled per year of birth (n = 98).

Figure 3. Number of positive human serum samples in the virus neutralization assay (titer >40) for each test virus compared with the total number of samples per birth cohort. Birth cohorts are represented as different colors. During August 2017–January 2018, a total of 549 serum samples were collected from immunocompetent persons in Belgium and pooled per year of birth (n = 98).

Main Article

1Preliminary results from this study were presented at the Fourth International Symposium on Neglected Influenza Viruses, April 18–20, 2018, Brighton, United Kingdom; at the BELVIR conference, December 20, 2018, Brussels, Belgium; and at the 1918 Pandemic Conference, February 7–8, 2019, Ypres, Belgium.

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