title: [Allergens and virus infections play a key role. How does asthma develop?].
mesh_terms: D000485:Allergens / Q000009:adverse effects*; D001249:Asthma / Q000209:etiology* / Q000628:therapy; D002648:Child; D002675:Child, Preschool; D003139:Common Cold / Q000150:complications*; D003888:Desensitization, Immunologic; D006801:Humans; D007223:Infant; D010850:Picornaviridae Infections / Q000150:complications*; D012130:Respiratory Hypersensitivity / Q000150:complications* / Q000628:therapy; D012135:Respiratory Sounds / Q000209:etiology; D012141:Respiratory Tract Infections / Q000150:complications*; D012229:Rhinovirus; D012307:Risk Factors
chemical_list: D000485:Allergens