Have you ever experienced a runny nose, persistent sneezing, nasal congestion, a scratchy throat or an irritating cough that seems to appear out of nowhere? One of the most common causes of these symptoms is a group of viruses known as rhinoviruses. Rhinoviruses are responsible for a significant proportion of common colds worldwide. Although infections are generally mild and resolve naturally, these viruses can sometimes contribute to more serious respiratory complications, particularly in young children, older adults and people with underlying respiratory conditions. Understanding how rhinoviruses work, how they spread and how the immune system responds can help us make better decisions about our respiratory health. 1. What Are Rhinoviruses?…