How long is swine flu season

Unlike seasonal flu which is 4-5 months long, swine flu doesn’t have a season. It is caused bu H1N1 Virus and can happen anytime during the year. The symptoms of Swine flu could be severe.

TAGS: flu, H1N1, swine flu, virus, vaccine, flu season, seasonal flu, flu virus, CDC, flu vaccine, symptoms, influenza, fever, deaths, viruses, illness, flu shot, pandemic, adults, school

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