Flu Symptoms & Severity | Seasonal Influenza (Flu) | CDC - 0 views
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t can cause mild to severe illness,
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Fever* or feeling feverish/chills Cough Sore throat Runny or stuffy nose Muscle or body aches Headaches Fatigue (tiredness)
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Most people who get influenza will recover in a few days to less than two weeks, but some people will develop complications (such as pneumonia) as a result of the flu, some of which can be life-threatening and result in death.
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During recent flu seasons, between 80% and 90% of flu related deaths have occurred in people 65 years and older.