There are a lot of illnesses we get when we are young.
You can miss some of them by taking a special medicine called a vaccine.
 |
 |
|
| It can be in an injection which is put into your body through the skin. |
 |
 |
Or as drops to swallow. |
Babies have them a lot, but you need them until you are 15 and even when you are older. Do you remember this happening to you?
Grown ups get injections when they go on holiday to far away places like Africa or Asia.