Pneumonia - Infection causing fluid to build up inside the lungs
C o v i d - Newly discovered respiratory virus
Mesothelioma - Cancer of the outer lung cells frequently caused by asbestos exposure
Asthma - Constriction of the airways, commonly treated with a rescue inhaler
Emphysema - destruction of the walls of the a lv eoli
P neumotho rax - reduced lung volume due to air or fluid collecting around the outside of the lung.
Hope this helps! :)