Across
- 3. hospital borne infection
- 5. lives off another specie
- 8. single celled parasite
- 11. bacteria that causes typhus
- 13. does not require oxygen to grow
- 14. poisonous substance
- 15. place where infection lives and grows
- 16. provides active acquired immunity
- 17. requires oxygen to grow
- 18. animal or insect that transmit disease
- 19. restricted to a particular place
- 21. eliminates microorganism but not spores
- 22. harbors a parasite
Down
- 1. reproduced by spores
- 2. direct or indirect contact
- 4. microorganisms carried in the blood
- 6. non-living objects that transmit disease
- 7. disease causing microorganism
- 9. killing all microorganisms and spores
- 10. organism that needs a microscope to see
- 12. likely to be harmed
- 20. smallest microorganism