Common Cold

Common Cold Symptoms and Signs

The common cold is the most frequent acute illness worldwide, affecting adults two to three times per year and children even more often . It is caused by a variety of viruses, primarily rhinoviruses and coronaviruses, which trigger an immune response leading to typical symptoms . While generally mild and self-limited, cold symptoms can cause significant discomfort and impact daily activities for about a week . Understanding the progression and range of symptoms helps in managing the illness effectively.