Pneumonia is an inflammation of the lung caused mostly due to bacteria or viruses. Factors that provide a predisposition to pneumonia include weak immune system, smoking, chronic obstructive pulmonary disease, chronic kidney disease, asthma and old age. The symptoms of pneumonia include fever, low blood pressure, cough with sputum or phlegm, chest pain, hemoptysis, etc. Pneumonia can be of different types depending on the causative organism or the mechanism of disease development. These include bacterial pneumonia, viral pneumonia, fungal pneumonia, parasitic pneumonia and idiopathic interstitial pneumonia. Antibiotics, neuraminidase inhibitors and corticosteroids may be prescribed for the treatment of pneumonia. This book unfolds the innovative aspects of pneumonia which will be crucial for the understanding of this medical condition. It unravels the recent studies in the symptoms, types and treatment of pneumonia. This book, with its detailed analyses and data, will prove immensely beneficial to professionals and students involved in this area at various levels.