CDC CDC CDC Chronic Obstructive Pulmonary Disease (COPD) CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC chronic obstructive pulmonary disease [COPD] CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC CDC nine out of 10 CDC chronic obstructive pulmonary disease [COPD] [COPD]