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Diagnosis
Diagnosing Influenza (flu)

Symptoms of flu
Influenza (flu) is a contagious respiratory illness. It can cause mild to severe illness and even death. The flu is different from a cold. Flu symptoms come on suddenly and include9:

  • Fever
  • Headache
  • Tiredness
  • Dry cough
  • Sore throat
  • Nasal congestion
  • Body aches
  • Sometimes nausea, vomiting, and diarrhea

Differential diagnosis for flu

The symptoms of cold and flu, when considered all together, allow an empiric differential diagnosis.10 However a definitive diagnosis of symptoms identified as flu requires laboratory testing.

Differential diagnosis for flu


Learn about testing for influenza

 

Featured Products
Rapid immunoassay for the detection and differentiation of influenza A and influenza B Rapid immunoassay for the detection and differentiation of influenza A and influenza B.
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