TABLE OF CONTENTS CHAPTER 1 Stopping the Spread 4 CHAPTER 2 How They Work 12 CHAPTER 3 Getting Shots Today 18 ACTIVITIES TOOLS Try This 22 Glossary 23 Index 24 To Learn More 24
CHAPTER 1 STOPPING THE SPREAD Have you had the flu shot It is a vaccine It is just one of many They keep us healthy How They keep us from getting sick
Forms of them were used thousands of years ago People in ancient India and China used them to fight diseases They still work to fight diseases today
