Fever, cough, aches: Influenza is characterized by the rapid onset of a fevers around 102, a non-productive, severe cough and marked body aches. Sometimes there can also be symptoms of diarrhea with the recent h1n1, but less commonly with other influenza viruses. A flu shot is only 70% protective and immunity starts to decline 16 weeks after vaccination.
Answered 2/18/2015
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