Note: Select a region before finding a country.
Mostly cloudy and milder
Some sun, then clouds; colder
Snow; rain mixing in
The temperature roller-coaster ride will continue into next week for the Philadelphia area. 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?