Pneumonia: Advances in Respiratory MedicineAbout This Hardback Pneumonia is an inflammatory illness of the lung which primarily affects the small air sacs, known as alveoli. A few of its symptoms are cough, chest pain, fever and breathing difficulties. It can be caused by viral or bacterial infections. Pneumonia can be diagnosed based on the symptoms and a physical examination, and is confirmed by a chest X ray, blood test or culture of the sputum. Vaccination, washing hands frequently and