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Flu in Adults (cont.)

For More Information about Flu

Centers for Disease Control and Prevention, Influenza (Flu), Seasonal Influenza

National Institute of Allergy and Infectious Diseases, National Institutes of Health, Flu Fact Sheet

American Lung Association, Influenza (Flu)

Medically reviewed by Robert Cox, MD; American Board of Internal Medicine with subspecialty in Infectious Disease

REFERENCES: Seasonal Influenza (Flu).

Mandell, Douglas, John E. Bennett, and Raphael Dolin. Mandell, Douglas, and Bennett's Principles and Practice of Infectious Diseases. Seventh Edition. "Influenza Viruses, Including Avian Influenza and Swine Influenza." Philadelphia: Churchill Livingstone Elsevier, 2010.

Switzerland. World Health Organization. "Influenza." <>.

United States. Centers for Disease Control and Prevention. "Seasonal Influenza (Flu)." <>.

United States. Department of Health & Human Services. "Seasonal Flu."

Medically Reviewed by a Doctor on 4/2/2015
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Read What Your Physician is Reading on Medscape

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Influenza virus infection, one of the most common infectious diseases, is a highly contagious airborne disease that causes an acute febrile illness and results in variable degrees of systemic symptoms, ranging from mild fatigue to respiratory failure and death.

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