Fever |
Sometimes, usually mild |
Usual, higher (100 to 102 degrees Fahrenheit, occasionally higher, especially in young children), lasts 3 to 4 days |
Fatigue, Weakness |
Sometimes |
Usual, can last 2 to 3 weeks |
Extreme Exhaustion |
Never |
Usual, at the beginning of the illness |
Chest Discomfort, Cough |
Mild to moderate, hacking cough |
Common, can become severe |