Interleukins/immunology; MAP Kinase Signaling System/immunology; Nasal Mucosa/immunology; Receptors, Cell Surface/immunology; Rhinitis, Allergic, Seasonal/blood; Adolescent; Adult; Aged; Antiviral Agents/pharmacology; Cells, Cultured; ErbB Receptors/genetics; ErbB Receptors/immunology; ErbB Receptors/metabolism; Female; Granulocyte-Macrophage Colony-Stimulating Factor/blood; Granulocyte-Macrophage Colony-Stimulating Factor/genetics; Granulocyte-Macrophage Colony-Stimulating Factor/immunology; Humans; Interferon-gamma/pharmacology; Interleukin-1 Receptor-Like 1 Protein; Interleukin-33; Interleukin-8/blood; Interleukin-8/genetics; Interleukin-8/immunology; Interleukins/biosynthesis; Interleukins/genetics; MAP Kinase Kinase 4/genetics; MAP Kinase Kinase 4/immunology; MAP Kinase Kinase 4/metabolism; MAP Kinase Signaling System/drug effects; MAP Kinase Signaling System/genetics; Male; Middle Aged; NF-kappa B/genetics; NF-kappa B/immunology; NF-kappa B/metabolism; Nasal Mucosa/metabolism; Nasal Mucosa/pathology; RNA, Messenger/biosynthesis; RNA, Messenger/genetics; RNA, Messenger/immunology; Real-Time Polymerase Chain Reaction; Receptors, Cell Surface/genetics; Receptors, Cell Surface/metabolism; Reverse Transcriptase Polymerase Chain Reaction; Rhinitis, Allergic, Seasonal/genetics; Rhinitis, Allergic, Seasonal/pathology; Toll-Like Receptor 9/agonists; Toll-Like Receptor 9/genetics; Toll-Like Receptor 9/immunology; Toll-Like Receptor 9/metabolism; Young Adult; p38 Mitogen-Activated Protein Kinases/genetics; p38 Mitogen-Activated Protein Kinases/immunology; p38 Mitogen-Activated Protein Kinases/metabolism