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Flu (Influenza)


Risk Factors

Physician developed and monitored.

Original Date of Publication: 02 Aug 2007
Reviewed by: Stanley J. Swierzewski, III, M.D.
Last Reviewed: 01 Dec 2007

Original Source: http://www.fluchannel.com/influenza/riskfactors.shtml

Home » Flu (Influenza) » Risk Factors

Cause and Risk Factors



The flu results from infection with an influenza virus. In most cases, people infected with the flu recover without medical treatment within 2 weeks. Patients who have heart, lung (e.g., asthma), or kidney problems, diabetes, cancer, or HIV/AIDS have a higher risk for developing complications (e.g., pneumonia) from the flu. Young children under 2 years of age and people over the age of 65 also are at increased risk.

Other people who are at increased risk for developing flu complications include the following:

  • Children who are on long-term aspirin therapy
  • Patients who have medical conditions that can compromise breathing (e.g., spinal cord injury, seizure disorders, nerve or muscle disease, brain injury)
  • Patients who live in a long-term care facility (e.g., nursing home) or who were hospitalized during the previous year
  • Women who are pregnant during flu season

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Flu (Influenza) (continued...)

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