title: Parainfluenza virus immunization. IV. Simultaneous immunization with parainfluenza types 1, 2, and 3 aqueous vaccines.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D006801:Humans; D007223:Infant; D010222:Parainfluenza Virus 1, Human / Q000276:immunology*; D010223:Parainfluenza Virus 2, Human / Q000276:immunology*; D010224:Parainfluenza Virus 3, Human / Q000276:immunology*; D018184:Paramyxoviridae Infections / Q000276:immunology / Q000517:prevention & control*; D018108:Respirovirus / Q000276:immunology*; D014765:Viral Vaccines / Q000008:administration & dosage*
chemical_list: D000914:Antibodies, Viral; D014765:Viral Vaccines