| Cold | Flu | |
|---|---|---|
| How quickly do symptoms develop? | Quite slowly | Quickly |
| How long does it last? | 4-7 days | 7-10 days |
| Which of the following symptoms are you likely to have? | ||
| Fever | Unusual and slight | Common and high |
| Nasal symptoms | Prominent | Slight |
| Muscle aches | Minor | Prominent |
| Sore throat | Frequent | Unusual |
| Headache | Unusual | Common and severe |
| Sick feeling | Slight | Severe |
| Fatigue | Slight | Prominent |