title: In search of novel immunogens.
mesh_terms: D000941:Antigens / Q000276:immunology*; D000939:Epitopes; D010446:Peptide Fragments / Q000276:immunology; D011506:Proteins / Q000276:immunology*; D014612:Vaccines / Q000276:immunology*; D014765:Viral Vaccines / Q000276:immunology
chemical_list: D000941:Antigens; D000939:Epitopes; D010446:Peptide Fragments; D011506:Proteins; D014612:Vaccines; D014765:Viral Vaccines