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 by gettinga flu vaccination each year.
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;
about 36,000 people die from flu.
Some people, such as older people, young children, and people with certain health conditions, are at high risk for serious flu complications.
Symptoms of flu include:
– fever (usually high)
– headache
– extreme tiredness
– dry cough
– sore throat
– runny or stuffy nose
– muscle aches
Stomach symptoms, such as nausea, vomiting, and diarrhea, also can occur but are more common in children than adults
Complications of Flu
Complications of flu can include bacterial pneumonia, ear infections, sinus infections, dehydration, and worsening of chronic medical conditions, such as congestive heart failure, asthma, or...
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