| |
| | Dr. Koop - Influenza- Health Encyclopedia and Reference |
 | | Influenza, often called the flu, is an acute, highly contagious infection of the respiratory tract which commonly occurs in the winter. |
 | | Influenza also may cause myositis, exacerbation of chronic obstructive pulmonary disease, Reye's syndrome, myocarditis, pericarditis, transverse myelitis and encephalitis. |
 | | The most characteristic symptoms of influenza are weakness, fatigue, muscle aches, headaches, fever (101 to 102 degrees), sneezing, and maybe a runny nose. |
| www.drkoop.com /encyclopedia/93/251.html (762 words) |
|