These acute lower respiratory tract infections, usually short-lived, often affect the larynx, trachea, and lungs, but most commonly the bronchi.
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Serious acute viral and bacterial infections of the lower respiratory tract include pneumonia, acute bronchitis, and pertussis.
The significance and importance of these diseases are underestimated worldwide. This is because they are among the most common causes of illness and death in adults and children.
You should see a doctor as a precaution if you notice signs such as coughing, shortness of breath, pain when breathing, and fever.
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