ITIL (the Information Technology Infrastructure Library) is a best practice IT Service Management process framework initially developed by the Office of Government Commerce (OGC) within the UK government.
It may also be classified by the area of lung affected: lobar pneumonia, bronchial pneumonia and acute interstitial pneumonia; or by the causative organism. Pneumonia in children may additionally be classified based on signs and symptoms as non-severe, severe, or very severe.
Bronchitis is the inflammation of airways that carry air from the trachea into the lungs. Tuberculosis is an infectious disease attacking the major parts of the lungs. Pneumonia is also an illness of the lung caused by the inflammation of the alveola.