Help the Philippines Typhoon Relief effort
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Areas of fog
Areas of fog this morning
Cloudy, rain; breezy, cooler
Mostly cloudy; breezy, colder
Ice, then rain; colder
of sunlight, then sets at
of moolight, then sets at
As cold air shuffles into the West and Central states, warmth will build in the East, including the Washington, D.C., area this week. more >
Dec 2, 2013; 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?