Flu Virus in Winter
August 25th 2011 09:17
Every winter in the United States and other countries with largely temperate climates, there is a sharp rise in the incidence of respiratory infections, the milder of which are popularly described as "colds" and the more severe as "flu." Flu is characterized by the quite sudden onset of feverishness, with a sore throat and nasal discharge, chills, headache, muscle aches and loss of appetite, usually with fever of 100 to 104 degrees Fahrenheit. Over the next few days, the general symptoms may improve but the local symptoms (sore throat, cough) get worse. In an uncomplicated case the patient will be much improved after five to seven days but may take up to two weeks or even longer to recover completely. Flu can lead to serious complications, including bronchitis, viral or bacterial pneumonia and even death in elderly and chronically ill patients. The winter flu epidemic in a given locality reaches its peak in two to three weeks and lasts five to six weeks.
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