COPD und Lungenemphysem: Gemeinsamkeiten und Unterschiede.

Since the coronavirus turned almost everyone's normal life upside down, the expression AHA in German has been known. In the context of the corona pandemic, this stood for distance-hygiene-mask. But in pneumology, the term AHA (in German) also stands for the description of a collective term for symptoms (cough, phlegm, shortness of breath). [ABSTRACT FROM AUTHOR]