Virologia Applicata E.A. Influenza VIROLOGIA Virologia Applicata E.A. Influenza The virus and its replication Virologia Applicata E.A. Genus Orthomixovirus Species (* indicates type species) Serotypes or SubtypesHosts Influenza virus AInfluenza A virus (*)H1N1, H1N2, H2N2, H3N1, H3N2, H3N8, H5N1, H5N2, H5N3, H5N8, H5N9, H7N1, H7N2, H7N3, H7N4, H7N7, H9N2, H10N7 Human, pig, bird, horse Influenza virus BInfluenza B virus (*)Human, seal Influenza virus CInfluenza C virus (*)Human, pig Influenza virus (Orthomyxovirus) Virologia Applicata E.A. Influenza A virus: HA subtypes SubtypeHumanSwineHorseBird H1... H2.. H3.... H4. H5. H6. H7.. H8. H9. H10. H11. H12. H13. H14. H15. H16. Virologia Applicata E.A. Influenza virus nomeclature HxNy (where 1 < x