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What are the symptoms of this year's flu? ...
What are the symptoms of this year's flu?
Each year, the strains of influenza viruses circulating may change or cause more severe illness in certain populations. Read more about influenza disease and the vaccines here.
Influenza symptoms can include fever, headache, muscle pain, runny nose, sore throat, extreme tiredness and cough. Children may also experience nausea, vomiting or diarrhea. Although infections from other viruses may have similar symptoms, those due to the influenza virus tend to be worse.