Overview
The common cold and influenza are among the most common viral infections.
Common Cold
The common cold is caused by a virus. Colds can occur at any time, but occur more frequently in the spring and fall. The virus infects the upper respiratory tract causing a runny nose, sneezing, and sore throat. Colds are generally mild and self-limited. If the immune system is healthy, a cold normally does not last more than 2-3 days. The common cold can be distinguished from the flu by...Read the full article
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