What is Flu?
Centers for Disease Control and Prevention
http://www.cdc.gov/flu/keyfacts.htm

The flu is a contagious respiratory illness caused by influenza viruses. It can cause mild to severe illness, and at times can lead to death. The best way to prevent the flu is to get a flu vaccine each fall.

Every year in the United States, on average:

  • 5% to 20% of the population gets the flu;
  • more than 200,000 people are hospitalized from flu complications; and
  • approximately 36,000 people die from flu.

Some people are at high risk for serious flu complications, such as older people, young children, and people with certain health conditions, including pregnancy

Flu Symptoms &
Complications of the Flu

Symptoms of flu include:

  • fever (usually high),
  • headache,
  • extreme tiredness,
  • dry cough,
  • sore throat,
  • runny or stuffy nose, and
  • muscle aches.
  • Gastro-intestinal symptoms, such as nausea, vomiting, and diarrhea, are much more common among children than adults.

Some of the complications caused by flu include bacterial pneumonia, dehydration, and worsening of chronic medical conditions, such as congestive heart failure, asthma, or diabetes. Children may get sinus problems and ear infections.

Information from:
Centers for Disease Control and Prevention

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