What Causes Pneumonia?
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Causes
Bacteria are the most common causes of pneumonia. However, pneumonia can also be caused by viruses, fungi, and other agents. It is often impossible to identify the specific culprit.
Many bacteria are grouped into one of two large categories by the laboratory procedure used to look at them under a microscope. The procedure is known as Gram staining. Bacteria are stained with special dyes, then washed in a special solution. The color of the bacteria after washing determines whether they are...
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From Our Sources
Psittacosis
Source: ADAM Encyclopedia
Psittacosis is an infection caused by Chlamydia psittaci, a type of bacteria found in the droppings of birds. Birds spread the infection to humans. ... Read more »
Pneumonia
Source: ADAM Encyclopedia
Pneumonia is a respiratory condition in which there is infection of the lung. Community-acquired pneumonia refers to pneumonia in people who have... Read more »
Viral pneumonia
Source: ADAM Encyclopedia
Viral pneumonia is inflammation (irritation and swelling) of the lungs due to infection with a virus.See also:Atypical pneumoniaInfluenzaRespiratory... Read more »
Pneumonia
Source: HealthCentral Encyclopedia
Pneumonia is a serious infection or inflammation of one or both lungs.Pneumonia is caused by the inhalation of infected microorganisms (tiny,... Read more »
Parapneumonic pulmonary effusion
Source: ADAM Encyclopedia
Parapneumonic pleural effusion is a buildup of fluid between layers of the tissue lining the lung and the chest cavity, which develops in the setting... Read more »
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