Part One
![Oral vaccine](https://s3.amazonaws.com/smrtenglish.com/core/ENGL125MD/unit01/1-2m1.jpg)
Oral Vaccine
Girl receiving an oral polio vaccine
Discuss the following questions with a group:
- What is a vaccine? How are they made?
- What is small pox?
- What are common dieases or viruses where you are from?
- What are some diseases or viruses that have been eliminated?
Part Two
You are going to watch a video on how vaccines work. Open the exercise and answer the questions while you listen.
![](https://s3.amazonaws.com/smrtenglish.com/shared-images/16x9.png)
How do vaccines work?
Kelwalin Dhanasarnsombut explains how vaccines work
Exercise
Using what you have learned about vaccines, complete the activity.