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It's cold and flu season, which means more children are filling up emergency rooms with common respiratory infections. But, respiratory syncytial virus, RSV, can lead to serious problems for infants. WBIR

It's cold and flu season, which means more children are filling up emergency rooms with common respiratory infections. But, respiratory syncytial virus, RSV, can lead to serious problems for infants. The virus is highly contagious and results in the hospitalizations of more than 150,000 children each year in the U.S., according the Centers for Disease Control. Dr. Heather Edgley, with East Tennessee Children's Hospital, shares the signs, symptoms and treatments for RSV.

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