Across
- 6. one benefits at the other’s expense
- 7. arthropod that transmits a disease
- 8. microbes that colonize permanently
- 9. colonization by pathogens
- 14. one benefits
- 15. symptoms develop slowly
- 16. pathogen reproduces in vector
- 19. number of people who die from a disease
- 20. microbes that come and go
- 23. symptoms develop rapidly
- 25. causes disease when immunocompromised
- 26. change that a doctor can measure
- 28. contaminated object
- 31. both benefit
- 33. systemic infection that began as a local infection
- 34. vector carries disease on feet
- 35. signs/symptoms that accompany disease
- 36. acquired by many hosts in a given area at one time
- 37. protects most of the population
- 38. transmission of a disease by food
Down
- 1. continual source of an infection
- 2. infection from an animal
- 3. relationship between organisms living together
- 4. spreadable from one host to another
- 5. total number of cases at a given time
- 10. acquired during the course of healthcare
- 11. cause of a disease
- 12. change that a patient feels
- 13. how a disease develops
- 17. easily spread from one host to another
- 18. only appears occasionally in a population
- 21. study of how diseases spread
- 22. epidemic on more than one continent
- 24. transmission of a disease by droplets
- 27. period without symptoms while the causative agent is inactive
- 29. number of people sick with a disease
- 30. study of disease
- 32. new cases of a disease during a given time
- 36. constantly present in a population