Epitopes, T-Lymphocyte/immunology; Genes, Viral/genetics; RNA-Binding Proteins; T-Lymphocytes, Cytotoxic/immunology; Vaccines, DNA/immunology; Animals; Antibodies, Viral/biosynthesis; Antigen Presentation; Biolistics; Cytokines/genetics; Cytokines/immunology; Epitopes, T-Lymphocyte/administration & dosage; Epitopes, T-Lymphocyte/genetics; Epitopes, T-Lymphocyte/metabolism; Female; Histocompatibility Antigens Class I/immunology; Histocompatibility Antigens Class I/metabolism; Injections, Intramuscular; Mice; Mice, Inbred Strains; Nucleocapsid Proteins; Nucleoproteins/administration & dosage; Nucleoproteins/genetics; Nucleoproteins/immunology; Nucleoproteins/metabolism; Orthomyxoviridae/genetics; Orthomyxoviridae/immunology; Orthomyxoviridae Infections/immunology; Orthomyxoviridae Infections/virology; Peptide Fragments/administration & dosage; Peptide Fragments/genetics; Peptide Fragments/immunology; Peptide Fragments/metabolism; Plasmids/genetics; Protein Sorting Signals/genetics; Recombinant Proteins/biosynthesis; Recombinant Proteins/immunology; Recombinant Proteins/metabolism; T-Lymphocytes, Cytotoxic/metabolism; Tumor Cells, Cultured; Vaccines, DNA/administration & dosage; Vaccines, DNA/genetics; Viral Core Proteins/administration & dosage; Viral Core Proteins/genetics; Viral Core Proteins/immunology; Viral Core Proteins/metabolism