Human Rhinovirus: The Most Common of the Common Colds

The only certainties in life are death and taxes—and the common cold. In fact, adults can expect to experience two or three colds every single year.1 Many pathogens can cause cold symptoms. But the most frequent culprit are human rhinoviruses.2

Human rhinoviruses cause more than half of cold-like illnesses.2 They circulate throughout the world and throughout the year, resulting in untold medical expense and lost productivity. Although colds tend to be relatively minor illnesses, they are the most frequent cause of lost work or school days.1 The indirect and direct costs of non-influenza respiratory infections have been estimated at $40 billion each year in the US.3