Virtually every child comes down with the common cold, often several times a year. The common cold is an upper respiratory infection. Other respiratory infections aren't quite as common as colds, but illnesses such as influenza, croup, and respiratory syncytial virus, or RSV, are not unusual during childhood.
Infections affecting the ears, nose, and throat, or ENT infections, are often closely related to an upper respiratory infection. You can find out about some of the most common respiratory and ENT infections in this section.