Organisation | Clinical symptoms |
---|---|
WHO* | Sudden onset AND Measured fever of ≥ 38 °C AND Cough With onset within the last 10 days |
CDC¶ | Sudden onset AND Fever ≥ 100 ° F (37.8 °C) Absence of a known cause other than influenza AND At least one among: cough, sore throat |
ECDC” | Sudden onset AND At least one among: fever, feverishness, headache, malaise, myalgia AND At least one among: cough, sore throat, shortness of breath |