How bad is the stomach flu this year 2009

The outbreak of 2009 flu is caused by influenza Avirus subtype h1n1.The stomach virus is also a cause of h1n1 virus which can also cause a severe problems leading to number of deaths in 2009.

TAGS: stomach flu, virus, flu shot, flu, symptoms, stomach, influenza, vaccine, flu vaccine, vomiting, diarrhea, swine flu, flu season, H1N1, fever, doctor, flu virus, illness, strain, United States

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