Hemagglutinin Glycoproteins, Influenza Virus/genetics; Influenza A Virus, H1N1 Subtype/genetics; Influenza A Virus, H3N2 Subtype/genetics; Influenza Vaccines/genetics; Influenza Vaccines/immunology; Orthomyxoviridae Infections/veterinary; Suipoxvirus/genetics; Swine Diseases/immunology; Animals; Antibodies, Neutralizing/immunology; Antibodies, Viral/immunology; Enzyme-Linked Immunosorbent Assay; Female; Hemagglutinin Glycoproteins, Influenza Virus/immunology; Influenza A Virus, H1N1 Subtype/immunology; Influenza A Virus, H3N2 Subtype/immunology; Influenza Vaccines/pharmacology; Interferon-gamma/immunology; Mice; Mice, Inbred BALB C; Orthomyxoviridae Infections/immunology; Orthomyxoviridae Infections/prevention & control; Orthomyxoviridae Infections/virology; Random Allocation; Suipoxvirus/immunology; Sus scrofa; Swine; Swine Diseases/prevention & control; Swine Diseases/virology; T-Lymphocytes/immunology; Vaccines, Synthetic/genetics; Vaccines, Synthetic/immunology; Vaccines, Synthetic/pharmacology