484917a9__Is_it_a_Cold_or_Is_It_the_Flu__H1N1_Seasonal_Flu
[Symptom] Sudden Symptoms [Cold] Cold symptoms tend to develop over a few days. [H1N1/Seasonal Flu] 
The flu has a rapid onset within 3-6 hours. The flu hits hard and includes sudden symptoms like high fever, aches and pains.
Wellmark Blue Cross and Blue Shield | Is it a Cold or Is It the Flu
H1N1/Seasonal Flu