Shapu
JF-Expert Member
- Jan 17, 2008
- 2,111
- 790
Pneumonia is an inflammation of the lung, usually caused by an infection. Three common causes are bacteria, viruses and fungi. You can also get pneumonia by accidentally inhaling a liquid or chemical. People most at risk are older than 65 or younger than 2 years of age, or already have health problems.
Source: http://www.google.com/search?sourceid=navclient&ie=UTF-8&rlz=1T4ADBR_enZM321TZ324&q=Pneumonia
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