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Very windy; partly sunny
A passing morning shower
Some sun; breezy, colder
of sunlight, then sets at
of moolight, then sets at
After a springlike start to the week in Philadelphia, a sharp change to frigid weather will come for Thursday. more >
Feb 23, 2014; 5:00 AM ET
Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?