What is the Flu?

The flu is a contagious disease of the respiratory (breathing) system. The flu is easily passed from one person to another by coughing and sneezing. It is usually very unpleasant, but most people generally get better after 7 to 10 days. 

The flu usually starts very suddenly with:

  • fever (from 102° - 104°) lasting 3 to 4 days      
  • headache
  • severe muscle aches
  • general weakness/extreme fatigue

These symptoms are accompanied by:

  • dry cough      
  • sore throat      
  • runny or stuffy nose  
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