Pneumonia meaning: Pneumonia is a form of acute respiratory

Pneumonia is a form of acute respiratory infection that is most commonly caused by viruses or bacteria. It can cause mild to life-threatening illness in people of all ages, however it is the single largest infectious cause of death in children worldwide. Pneumonia is a lung infection that inflames air sacs, causing cough, fever, and difficulty breathing. Explore its types, bacterial and viral causes, risk factors like age or health conditions, symptoms, treatment options, and prevention strategies. Pneumonia is an infection of the lungs that can make it hard for the oxygen you breathe to get into your bloodstream. Learn about the different types of pneumonia , how to prevent and treat them, and when to seek medical attention. Pneumonia is acute inflammation of the lungs caused by infection. Initial diagnosis is usually based on chest x-ray and clinical findings. Causes, symptoms, treatment, preventive measures, and prognosis differ depending on whether the infection is bacterial, mycobacterial, viral, fungal, or parasitic; whether it is acquired in the community or hospital; whether it occurs in a patient treated with mechanical ventilation; and whether it develops in a patient who is immunocompetent or ...