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| | Common cold (Site not responding. Last check: 2007-10-30) |
 | | The common cold is a viral infection of the upper respiratory system, including the nose, throat, sinuses, eustachian tubes, trachea, larynx, and bronchial tubes. |
 | | Colds, sometimes called rhinovirus or coronavirus infections, are the most common illness to strike any part of the body. |
 | | Although most colds resolve on their own without complications, they are a leading cause of visits to the doctor and of time lost from work and school. |
| www.healthatoz.com /healthatoz/Atoz/ency/common_cold.jsp (2198 words) |
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