title: Development of nonimmunologic, nonspecific mechanisms and specific immunologic mechanisms in resistance to airways and pulmonary infections in infants and children.
mesh_terms: D000328:Adult; D000367:Age Factors; D000914:Antibodies, Viral / Q000096:biosynthesis; D001990:Bronchiolitis, Viral / Q000276:immunology; D001991:Bronchitis / Q000276:immunology; D002648:Child; D006801:Humans; D007105:Immune Complex Diseases / Q000209:etiology; D007109:Immunity; D007223:Infant; D007231:Infant, Newborn; D012136:Respiratory Syncytial Viruses / Q000276:immunology; D012140:Respiratory Tract Diseases / Q000276:immunology*; D012141:Respiratory Tract Infections / Q000276:immunology; D014777:Virus Diseases / Q000276:immunology*
chemical_list: D000914:Antibodies, Viral