Across
- 6. Give someone an injection to protect them against a diseases
- 7. Get an Illness
- 9. Something that causes a disease
- 10. Related to breathing
- 12. An informal way to say vaccine
Down
- 1. Someone who studies protection against diseases
- 2. A substance produced in the body to fight disease
- 3. A type of the same virus
- 4. A painful place on your body
- 5. A system of connected organs and tissues
- 8. An extra amount of vaccine
- 11. A hard layer that forms over a wound