an impairment of health or a condition of abnormal functioning

a sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis

acute lung injury characterized by coughing and rales; inflammation of the lungs which become stiff and fibrous and cannot exchange oxygen; occurs among persons exposed to irritants such as corrosive chemical vapors or ammonia or chlorine etc.

an acute febrile highly contagious viral disease

a disease of the respiratory mucous membrane

a mild viral infection involving the nose and respiratory passages (but not the lungs)

respiratory disorder characterized by wheezing; usually of allergic origin

a sudden noisy expulsion of air from the lungs that clears the air passages; a common symptom of upper respiratory infection or bronchitis or pneumonia or tuberculosis