title: Respiratory effects of live influenza virus vaccine.
mesh_terms: D000914:Antibodies, Viral / Q000032:analysis; D002908:Chronic Disease; D006801:Humans; D007252:Influenza Vaccines / Q000009:adverse effects*; D008875:Middle Aged; D012140:Respiratory Tract Diseases / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral; D007252:Influenza Vaccines