The common cold is a viral infection of your nose and throat (upper respiratory tract).
- It’s usually harmless, although it might not feel that way.
- Many types of viruses can cause a common cold.
- Healthy adults can expect to have two or three colds each year.
- In contrast to the flu, a common cold can be caused by many different types of viruses.
- Condition is generally harmless and symptoms usually resolve within two weeks.