Longitudinal study of influenza A virus circulation in a nursery swine barn

Table 1 Descriptive statistics of the main quantitative measurements used as explanatory variables in regression models

Median and interquartile range, or mean and standard deviation were used, as it was deemed appropriate.
^a,bTwo distinct longitudinal studies of IAV circulation were performed in nursery pigs.
^cDifferent H3N2 variants broadly classified into cluster 4 of H3N2 swine influenza A virus and isolated in Ontario in 2012 and used in the hemagglutination inhibition assay.
^dH3N2 and H1N1 viruses detected in the study and used as antigens in the hemagglutination inhibition assay.
^eH1N2 with hemagglutinin of the 2009 pandemic lineage and neuraminidase of the Cluster 4 H3N2 IAV-S.
^fH1N1 IAV-S broadly classified as the classical swine H1N1 virus used in hemagglutination inhibition assay.
^gH1N1 IAV-S of the 2009 H1N1 pandemic lineage used in hemagglutination inhibition assay.
^hAbsolute humidity expressed as milibar (MB).

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