Chapter 4

2. examples: kissing, touching, biting, intercourse
5. total elimination of a disease from a population
9. disease which humans are the only known reservoir
10. prevention aimed at rehabilitation from a condition with lasting effects
15. limiting the movement of an exposed individual who is not sick yet
16. limiting the movement of an already sick individual
17. cause of disease or health problem
18. person or organism invaded by infectious disease
19. capability of a communicable agent to cause disease in a susceptible host
20. immunity that occurs when a pathogen prompts the immune system to develop antibodies

1. factors that inhibit or promotes disease transmission
3. examples: hand washing, using condoms, properly cooking food, vector control
4. immunity that occurs when someone receives antibodies instead of their immune system producing them
6. nation's leading cause of death
7. efforts to control a disease that is already in progress
8. taking action to stop or stall the onset of disease
11. symptoms of a condition last longer than 3 months
12. transmission involving an intermediate step
13. Cannot be transmitted from one person to another
14. symptoms last less than 3 months