zph12049-sup-0001-TableS1-S7.docxWord document176K

Appendix S1. Materials and methods.

Table S1. Factors positively associated with the prevalence of antibodies to H1N1 and/or H3N2 SIV.

Table S2. Factors positively associated with clinical outbreaks of highly pathogenic avian influenza in domestic birds.

Table S3. Swine population and density by country (WAHID 2009 and FAO 2007 Data).

Table S4. Countries with higher national risk factors associated with influenza infection in swine.

Table S5. Countries with higher risk factors associated with influenza infection in birds and potential for interspecies transmission and/or reassortment between viruses circulating in pigs and in birds.

Table S6. Density of exported pigs and destination.

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