{"iri":"https://folio.openlegalstandard.org/R7ItETKZAfykvNgICh5RBN4","label":"Chronic Bronchitis","sub_class_of":["https://folio.openlegalstandard.org/R8D6zCNSxUO8g0ZstLxnK28"],"parent_class_of":[],"is_defined_by":null,"see_also":[],"comment":null,"deprecated":false,"preferred_label":"Long-Term Bronchial Inflammation","alternative_labels":["Chronic Cough","Chronic Mucous Bronchitis","Persistent Bronchitis"],"translations":{},"hidden_label":null,"definition":"Chronic bronchitis is a type of Chronic Obstructive Pulmonary Disease (COPD) characterized by persistent inflammation of the bronchial tubes, leading to a chronic cough and production of mucus over a period of at least three months per year for two consecutive years. This condition results in narrowed airways and impaired airflow, causing difficulty in breathing and frequent respiratory infections.","examples":[],"notes":[],"history_note":null,"editorial_note":null,"in_scheme":null,"identifier":null,"description":null,"source":null,"country":null}