If it's flu season, you can't get out of bed, and your whole body aches, it's likely the flu. The cold virus doesn't knock you out like that. Also, if your nose

If it's flu season, you can't get out of bed, and your whole body aches, it's likely the flu. The cold virus doesn't knock you out like that. Also, if your nose isn't running or stuffed, it's probably not the cold.