Question

How can infection cause breathlessness?

Answer 1

Germs that enter the body through the openings of the nose or mouth may travel to the lungs can an infection. An infection can happen when a breakdown in the body's natural defenses lets the germs invade & multiply in the lungs. This is known as pneumonia.

Step-by-step explanation:

Answer 2

If germs come into your body through your nose and mouth, they can travel to your lungs and cause an infection.