How do colds differ from flu?

	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