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. 2021 Jul 27;10:e60940. doi: 10.7554/eLife.60940

Figure 1. Submission and lineage distribution 2011-2018.

(a) The percentages of submissions testing negative and positive for influenza A virus including the proportion of positive submissions containing a hemagglutinin (HA) of H1N1pmd09 origin. (b) Lineage distribution of the influenza A-positive samples. * indicates the novel reassortants discovered during the surveillance.

Figure 1.

Figure 1—figure supplement 1. The annual and monthly number of submissions received from Danish pigs with acute respiratory disease in the years 2011–2018.

Figure 1—figure supplement 1.

Figure 1—figure supplement 2. Monthly distribution of submissions for the Danish swine influenza A virus (swIAV) surveillance 2011–2018.

Figure 1—figure supplement 2.

The average percentage of swIAV-positive and H1pdm09-positive over the 8-year surveillance period is indicated below each representative month in blue and green, respectively.