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Influenza
Influenza 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 influenza is by getting a yearly influenza vaccine.
Every year in the United States, on average:
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5 to 20 percent of the population get influenza,
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more than 200,000 people are hospitalized from influenza complications, and;
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about 36,000 people die from influenza
Causes
Symptoms
Treatment
Prevention
Influenza Vaccines
Self-Care
Related topics
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What to do About Influenza
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| Fatigue, fever, headache, muscle aches |
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| Symptoms worsening after 3 to 5 days |
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| Persistent or worsening chest discomfort, mild wheezing |
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| Fever over 101°F for more than 3 days or that was gone for 24 hours and has returned |
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| Fever in someone who is over age 65, pregnant, has a history of chronic illness, or is immunocompromised |
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| Symptoms of dehydration (dry mouth, increased thirst, dizziness and no urinary output for 12 hours) |
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| Significant pain with breathing; continuous coughing or mild wheezing; fever over 101°F and stiff neck; severe headache |
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| Choking or gasping for air; inability to swallow; bluish lips or nails; severe wheezing |
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Resources
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