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


    H3N2 viruses predominated earlier in the season, however, influenza B viruses
    have been more common in recent weeks. This season has been severe for ...

  • 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 the ...

  • Influenza - Wikipedia, the free encyclopedia

    http://en.wikipedia.org/wiki/Influenza - 15 hours ago

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

  • Influenza (Flu) - National Foundation for Infectious Diseases


    Influenza, more commonly referred to as "flu," impacts people of all ages.
    Influenza is a highly contagious viral infection of the nose, throat, and lungs that
    occurs ...

  • Influenza (Seasonal Flu)-Topic Overview - WebMD


    Influenza (flu) is a viral infection. People often use the term "flu" to describe any
    kind of mild illness, such as a cold or a stomach virus, that has symptoms like the

  • Different Types of Flu: Influenza A, B, C and more - WebMD


    Flu, or influenza, is a contagious respiratory infection caused by a variety of flu
    viruses. Symptoms of flu involve muscle aches and soreness, headache, and ...

  • WHO | Influenza (Seasonal)


    WHO fact sheet on influenza: includes key facts, definition, symptoms,
    transmission, seasonal epidemics, effects, prevention, WHO response.

  • WHO | Global Influenza Programme


    The Global Influenza Programme (GIP) provides Member States with strategic
    guidance, technical support and coordination of activities essential to make their

  • Influenza - American Lung Association


    Influenza, or flu, is a serious respiratory illness. It is easily spread from person to
    person and can lead to severe complications, even death.

  • Flu.gov: Home


    Get the seasonal and pandemic flu information you need at Flu.gov.