title: Vaccine composition in relation to antigenic variation of the microbe: is pertussis unique?
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D000942:Antigens, Bacterial / Q000032:analysis*; D001419:Bacteria / Q000276:immunology; D002143:Callitrichinae / Q000276:immunology; D002771:Cholera / Q000276:immunology; D006801:Humans; D051379:Mice / Q000276:immunology; D010567:Pertussis Vaccine / Q000494:pharmacology
chemical_list: D000942:Antigens, Bacterial; D010567:Pertussis Vaccine