Across
- 4. a specific group of signs or symptoms that always accompany a particular disease
- 6. a type of disease that spreads from one host to another, either directly or indirectly
- 7. subjective changes in condition, not apparent to an observer
- 9. a certain disease that many people acquire in a relatively short period
- 10. the type of acute infection that causes initial illness
- 13. an infection caused by an opportunistic pathogen after the primary infection has weakened the body's defenses
- 14. a disease that is constantly present in a population
- 15. a type of infection that does not cause any noticeable illness
- 16. the presence of bacteria in the blood
- 18. objective changes in condition that can be observed and measured
Down
- 1. a disease that develops rapidly but only lasts a short time
- 2. a type of disease not spread from one person to another
- 3. an infection in which the microorganisms are limited to a relatively small area of the body
- 5. number of people in a population who develop a disease during a particular time period
- 8. an infection in which microorganisms spread throughout the body
- 11. blood poisoning
- 12. the presence of toxins in the blood
- 13. a particular disease that only occurs occasionally
- 17. a disease that develops more slowly, likely to continue for long periods