Presence of pandemic H1N1 influenza virus by qRT-PCR in samples collected at 3, 5, and 7 days post infection (dpi).^*

*<p>15 pigs were infected with either the A/CA/04/2009 (CA/09) or A/Mexico/4108/2009 (MX/09) pandemic H1N1 virus isolates. Number of pigs positive out of 5 is reported from each group euthanized on 3, 5, or 7 dpi; LN = inguinal lymph node tissue sample.</p

Presence of pandemic H1N1 influenza virus by virus isolation in samples collected at 3, 5, and 7 days post infection (dpi).^*

*<p>15 pigs were infected with either the A/CA/04/2009 (CA/09) or A/Mexico/4108/2009 (MX/09) pandemic H1N1 virus isolates. Number of pigs positive out of 5 is reported from each group euthanized on 3, 5, or 7 dpi; LN = inguinal lymph node tissue sample.</p

Figure 1B

gif files for rotational views of 3D antigenic maps in Figure

Figure 1A

gif files for rotational views of 3D antigenic maps in Figure

Supplemental Table 2. Source data

Supplemental Table 2.Source data Text infiles, phylogenetic trees and source script for antigenic distance analyse

Figure 1D

gif files for rotational views of 3D antigenic maps in Figure

Figure 2. Source data 2

Figure 2. Source data 2 - Input and output text files used to calculate H1 and H3 comparative rates of antigenic evolution and diversity shown in Figure 2 and Supplementary File 3_ Table

Supplemental Table 1. Source Data

Supplemental Table 1. Source Data - Text files and plots of summary statistics of testing in 1, 2, 3, 4 and 5 dimension