
Signs and Symptoms |
Influenza |
Cold |
---|---|---|
Symptom onset – | Abrupt | Gradual |
Fever – | Usual; lasts 3-4 days | Rare |
Aches – | Usual; often severe | Slight |
Chills – | Fairly common | Uncommon |
Fatigue, weakness – | Usual | Sometimes |
Sneezing – | Sometimes | Common |
Stuffy nose – | Sometimes | Common |
Sore throat – | Sometimes | Common |
Chest discomfort, cough – | Common; can be severe | Mild to moderate; hacking cough |
Headache – | Common | Rare |
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