title: Immunogenicity of inactivated parainfluenza type 1, type 2, and type 3 vaccines in infants.
mesh_terms: D003168:Complement Fixation Tests; D006801:Humans; D007223:Infant; D009500:Neutralization Tests; D009976:Orthomyxoviridae Infections / Q000276:immunology*; D018184:Paramyxoviridae Infections / Q000276:immunology; D018108:Respirovirus; D014611:Vaccination; D014765:Viral Vaccines
chemical_list: D014765:Viral Vaccines