Feral Swine in the United States Have Been Exposed to both Avian and Swine Influenza A Viruses

Supplemental material

• Supplemental file 1 -

  Total numbers of influenza A virus-positive and feral swine serum samples (Tables S2 and S3), titration of virus loads in nasal washes from the feral swine infected with A/Mallard/WI/A00661712/20092009 (H3N2) (Table S5), serological responses in the feral swine (Table S6), viral titers in different tissues of feral swine (Table S7), and serological responses in feral swine inoculated with A/Mallard/Ohio/648/2002 (H6N2) (Table S8).

  PDF, 189K

• Supplemental file 2 -

  Hemagglutination inhibition cross-reactivity among reference influenza A viruses and homologous antisera (Table S1).

  XLSX, 15K

• Supplemental file 3 -

  Virus neutralization assay results for avian influenza–positive feral swine serum samples collected from swine in 35 U.S. states, 2010–2013 (Table S4).

  XLSX, 16K