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Clouds and sun; breezy, mild
Cloudy, showers, mainly later
Mostly cloudy and cooler
of sunlight, then sets at
of moolight, then sets at
Warm air will surge into Washington, D.C., this weekend. more >
Dec 16, 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?