During the COVID-19 epidemic, the medical treatment, disease status, and medication status of patients with chronic airway disease have not been studied. The purpose of this study is to investigate the management and healthcare utilization of patients with chronic airway disease and the influencing factors during the COVID-19 epidemic.
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Respiratory symptoms
Timeframe: through study completion, an average of 2 week.
Frequency of exacerbation during the COVID-19 epidemic
Timeframe: through study completion, an average of 2 week.