Cough and Cold - Overview
Common cold is a contagious disease which can be caused by the number of different types of viruses. Cold is medically referred to as a viral upper respiratory tract infection. Cough is an expulsion of air from the lungs, to clear the lung airways of mucus, fluids or other material. Children younger than 6 are at greatest risk of cough and colds, but healthy adults can also expect to have 2 or 3 colds annually.