Across
- 4. transmission of a disease
- 7. found everywhere
- 8. we are currently experiencing one right now
- 12. destroys bacteria
- 14. harmful substance produced in cells or organisms
- 15. someone who has a disease
- 17. soap that is used to prevent bacterial infection
- 18. a protein coat surrounding the DNA of a virus
- 19. disease that affects a single community or region
- 20. a messenger carrying instructions for DNA
Down
- 1. coughing and sneezing
- 2. carrier of genetic material
- 3. AIDS is an example of this
- 4. COVID is an example of this
- 5. kills the growth of microbes
- 6. something that can spread disease
- 9. mushrooms
- 10. disease that affects the world
- 11. weakens virus particles
- 13. harmful relationship to host
- 16. cannot be passed from person to person
