15.1a Describe the main ways an infection can get into the body

Infections are caused when harmful germs known as pathogens get into the body and grow. Unlike other diseases like heart diseases, infectious diseases can spread from person to person. Preventing infection in the first place is often better than a cure. As such, you should know the main ways an infection can get into the body so you can better prevent infection from occurring.

There are a number of ways an infection can get into the body. Infections can get into the body through contact with broken skin, being breathed in or eaten, by coming into contact with the eyes, mouth or nose, or when needles or catheters are inserted. We will go over some of the ways you can prevent this from happening in the next few sections.