title: Croup and pneumonia in human infants associated with a new strain of respiratory syncytial virus.
mesh_terms: D000818:Animals; D000914:Antibodies, Viral / Q000096:biosynthesis; D002675:Child, Preschool; D003168:Complement Fixation Tests; D003440:Croup / Q000209:etiology*; D003588:Cytopathogenic Effect, Viral; D006168:Guinea Pigs; D000882:Haplorhini; D006801:Humans; D007223:Infant; D007827:Laryngitis / Q000209:etiology*; D009500:Neutralization Tests; D011014:Pneumonia / Q000209:etiology*; D011817:Rabbits; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification
chemical_list: D000914:Antibodies, Viral