title: Cellular and humoral immunity in recurrent respiratory syncytial virus infections.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis*; D002648:Child; D002675:Child, Preschool; D006801:Humans; D007109:Immunity; D007223:Infant; D008213:Lymphocyte Activation; D009500:Neutralization Tests; D012008:Recurrence; D012136:Respiratory Syncytial Viruses / Q000276:immunology; D012141:Respiratory Tract Infections / Q000175:diagnosis / Q000276:immunology*; D010253:Respirovirus Infections / Q000175:diagnosis / Q000276:immunology*; D012621:Seasons
chemical_list: D000914:Antibodies, Viral