A lower respiratory tract infection in a previously normal individual<unk>  through normal social contact rather than contracting it in a hospital.<unk>  <unk>  is a disease in which individuals who have not recently been hospitalized develop an infection of the lungs.<unk>  is a common illness and can affect people of all ages. It often causes problems like dyspnea, fever, chest pain, and cough.<unk>  causes fluid accumulation in the alveoli leading to poor gas exchange.<unk>  is common worldwide and is a leading cause of illness and death. Causes of<unk>  include bacteria, viruses, fungi, and parasites.<unk>  can be diagnosed by history and a physical examination alone, though x-rays, sputum examinations, and other diagnostic tests are often used. As<unk>  is often bacterial, the primary empiric treatment consists of wide-spectrum antibiotics. Some forms of<unk> , such as pneumococcal pneumonia may be prevented by vaccination.
Community acquired pneumonia
Community-acquired pneumonia
Hospital-acquired pneumonia
Fungal pneumonia
Bacterial pneumonia
CMV pneumonitis
Viral pneumonia
Atypical pneumonia