Across
- 2. germ
- 6. job
- 9. open to disease
- 11. protected
- 12. get rid of
- 13. verb form of vaccination
- 15. requirements
- 17. negative
Down
- 1. antonym of general
- 3. comparison
- 4. this type of immune system has memory
- 5. works well
- 7. adjective form of safety
- 8. guess
- 10. antonym of harmful
- 11. synonym of vaccinate
- 14. get
- 16. response