Antigens, Differentiation/physiology; B-Lymphocytes/immunology; Immunoglobulin Class Switching; Lymphocyte Activation/immunology; Oncogene Proteins, Viral/immunology; Receptors, Immunologic/physiology; Virion/immunology; Adaptor Proteins, Signal Transducing; Animals; Antigens, Differentiation/genetics; B-Lymphocytes/metabolism; B-Lymphocytes/pathology; B-Lymphocytes/virology; CD40 Ligand/physiology; Capsid Proteins; Immunoglobulin Class Switching/genetics; Immunoglobulin G/biosynthesis; Immunoglobulin G/physiology; Interleukin-4/physiology; Lymphocyte Activation/genetics; Male; Mice; Mice, Inbred C3H; Mice, Inbred C57BL; Mice, Knockout; Myeloid Differentiation Factor 88; Oncogene Proteins, Viral/administration & dosage; Papillomaviridae/immunology; Receptors, Immunologic/antagonists & inhibitors; Receptors, Immunologic/deficiency; Receptors, Immunologic/genetics; Signal Transduction/genetics; Signal Transduction/immunology; T-Lymphocytes, Helper-Inducer/immunology; T-Lymphocytes, Helper-Inducer/metabolism; T-Lymphocytes, Helper-Inducer/virology; Toll-Like Receptor 4; Vaccines, Subunit/administration & dosage; Vaccines, Subunit/genetics; Vaccines, Subunit/immunology; Virion/genetics