Symptoms |
Cold |
Flu |
---|---|---|
Onset of Symptoms | Gradual; Symptoms tend to develop over 1-3 days [26] |
Rapid onset of symptoms (within 3-6 hours) [26] |
Fever | Rare or low - grade [26] | Usual, High (38°C - 40°C) [27] |
Fatigue | Mild [26] | Moderate to severe fatigue [26] |
General aches, pains | Slight body aches, pains [26] | Severe ache [26] |
Nasal Congestion | Common [26] | Uncommon [26] |
Headache | Uncommon [26] | Common [26] |
Sore Throat | Gradual sore throat or irritated throat [26] | Rare [26] |
Sneezing | Common [26] | Uncommon [26] |
Chest discomfort | Mild-to moderate [26] | Common, can become severe [26] |
Cough | A hacking, productive (mucus-producing) cough is often present. [26] | A dry, non-productive (non-mucus producing) cough is usually present. [26] |