Continual Reintroduction of Human Pandemic H1N1 Influenza A Viruses into Swine in the United States, 2009 to 2014

Supplemental material

• Supplemental file 1 -

  Fig. S1 (Maximum likelihood tree of human and swine pandemic H1 segments.)

  Fig. S2 (Phylogenetic relationships between pandemic H1 segments.)

  Fig. S3 (Phylogenetic relationships between pandemic N1 segments.)

  Fig. S4 (Heat map of viral transmissions between humans and swine for HA segment.)

  Fig. S5 (Phylogenetic relationships between pandemic NP segments.)

  Fig. S6 (Phylogenetic relationships between pandemic PB2 segments.)

  Table S1 (One hundred HA sequences from human H1N1 pandemic viruses from 2014 obtained from the GISAID Epiflu database.)

  Table S2 (Pandemic H1N1 influenza A virus sequences (HA segment) used in this analysis (Fig. 1).)

  Table S3 (Pandemic H1N1 influenza A virus sequences (NA segment) used in this analysis (Fig. S3).)

  Table S4 (Pandemic H1N1 influenza A virus sequences (NP segment) used in this analysis (Fig. S5).)

  Table S5 (Estimated transitions between humans and swine on HA MCC phylogeny, represented by “Markov jumps.”)

  Table S6 (Estimated transitions between humans and swine on NA MCC phylogeny, represented by “Markov jumps.”)

  Table S7 (Estimated transitions between humans and swine on NP MCC phylogeny, represented by “Markov jumps.”)

  Table S8 (Evolutionary origins of each genome segment for 444 U.S. swine viruses collected from 2009 to 2014.)

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