
Bringing sniffles and sneezes and perhaps a sore throat and annoying cough, the common cold catches all of us from time to time. With kids getting as many as eight colds per year or more, this contagious viral infection of the upper respiratory tract is the most common infectious disease in the United States and the No. 1 reason kids visit the doctor and stay home from school. Causes Most colds are caused by rhinoviruses that are in invisible