Question

13. Common cold is caused by​

Answer 1

Explanation:

A common viral infection of the nose and throat.

In contrast to the flu, a common cold can be caused by many different types of viruses. The condition is generally harmless and symptoms usually resolve within two weeks.

Answer 2

Answer:

many types of viruses can cause a common cold, rhinoviruses are the most common culprit.

hope it helps you...