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What causes the flu?

The flu is caused by the influenza virus, which you can be vaccinated against to avoid catching it each season! Have a great day! Any Suggestions here?


  1. Junko Reply:

    What Causes the Flu Virus?. There are actually three types of flu virus, known as A, B and C. Type A is the worst, as it is the type that causes flu pandemics every Source:

  2. Juan Reply:

    Flu is caused by any number of viruses. Each year the flu shot is made to prevent certain strains which experts predict will be most prevalent.

  3. Annalee Reply:

    Avian flu is a viral flu that can result in flu-like symptoms or death. Not to be treated with over-the-counter cold and flu medications, avian flu requires a prescription medication that will prevent the potentially fatal virus from spread… Source:

  4. Selene Reply:

    The bird flu is caused by Type A influenza which is similar to the H5N1 virus. If you think you have the bird flu please see your doctor as soon as you can. Source:

  5. Cindy Reply:

    The stomach flu, which should not be confused with seasonal flu, is caused by viruses. It can be very unpleasant, but the good news is that it normally only lasts 1-2 days. Source:

  6. Jessi Reply:

    he needs to see a doctor

  7. Holli Reply:

    It was caused by a particular strain of the influenza virus, just like any other flu. This particular strain A-H1N1/09 (aka: Influenza A, Novel H1N1 or 2009 Swine Flu

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