Across
- 3. respiratory infect. animals and humans
- 8. pathogen part that body recognizes
- 11. reduction to 0 of a disease in a region
- 12. permanent reduction of disease worldwide
- 14. last name of smallpox vaccine creator
- 15. last name of oral polio vaccine creator
Down
- 1. the study of viruses
- 2. protein coat
- 4. infect with small dose to build immunity
- 5. type of vaccine uses whole dead virus
- 6. infection constantly maintained
- 7. RNA virus
- 9. genetic material
- 10. last name of polio vaccine creator
- 13. type of vaccine uses piece of virus surface