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  • Influenza (Flu) | CDC - Centers for Disease Control and Prevention


    Jul 21, 2016 ... Note: On June 22, 2016, CDC's Advisory Committee on Immunization Practices (
    ACIP) recommended a change to U.S. influenza vaccination ...

  • Key Facts about Influenza (Flu) | Seasonal Influenza (Flu) | CDC


    May 26, 2016 ... The flu is a contagious respiratory illness caused by influenza viruses that infect
    the nose, throat, and lungs. It can cause mild to severe illness, ...

  • Influenza - Wikipedia, the free encyclopedia


    Influenza, commonly known as "the flu", is an infectious disease caused by an
    influenza virus. Symptoms can be mild to severe. The most common symptoms ...

  • Influenza (flu) - Mayo Clinic


    Influenza is a viral infection that attacks your respiratory system — your nose,
    throat and lungs. Influenza, commonly called the flu, is not the same as stomach ...

  • WHO | Influenza


    Influenza: WHO health topic page on influenza provides links to descriptions of
    activities, reports, publications, statistics, news, multimedia and events, as well as

  • WHO | Global Influenza Programme


    The World Health Organization links national influenza centres and collaborating
    centres for global influenza surveillance.

  • Flu: Symptoms, Diagnosis, and Prevention - Medical News Today


    Jul 22, 2016 ... Flu, also known as influenza, is a respiratory illness caused by a virus. Influenza
    is highly contagious and life-threatening for some population ...

  • Flu: MedlinePlus


    Do you know the difference between a cold and the flu (influenza)? Or looking for
    information on the "stomach flu?" Discover symptoms and treatment.

  • The 1918 Influenza Pandemic - Human Virology at Stanford


    The influenza pandemic of 1918-1919 killed more people than the Great War,
    known today as World War I (WWI), at somewhere between 20 and 40 million ...

  • Influenza: Practice Essentials, Background, Pathophysiology

    http://emedicine.medscape.com/article/219557-overview - 22 hours ago

    Influenza, one of the most common infectious diseases, is a highly contagious
    airborne disease that occurs in seasonal epidemics and manifests as an acute ...