Across
- 6. An extrinsic factor (geology, climate, insects, sanitation, health services, etc.) which affects the agent and the opportunity for exposure
- 7. Any mode or mechanism by which an infectious agent is spread through the environment to another person
- 8. Any factor, whether event, characteristic, or other definable entity, that brings about change in a health condition, or in other defined characteristics.
- 10. An epidemic occuring over a very wide area (several countries or continents)
- 12. The occurrence of more cases of disease than expected in a given area or among a specific group of people over a period of time
- 13. A person or other living organism that can be infected by an infectious agent under natural conditions.
- 14. The aspect of epidemiology concerned with organizing and summarizing health-related data according to time, place, and person
- 15. The total number of inhabitants of a given area or country
Down
- 1. The systematic collection, analysis, interpretation, and dissemination of health data on an ongoing basis, to gain knowledge of the pattern of disease occurrence and potential in a community, in order to contrl and prevent disease in the community
- 2. An animate intermediary in the indirect transmission of an agent that carries the agent from a reservoir to a susceptible host.
- 3. The constant presence of a disease or infectious agent within a given geographic area or population group
- 4. In epidemiology, the frequency and pattern of health-related characteristics and events in a population.
- 5. A factor, such as a microorganism, chemical substance, or form of radiation, whose presence, excessive presence, or (in deficiency diseases) relative absence is essential for the occurrence of a disease.
- 9. Traditional model of infectious disease causation.
- 11. An aspect of personal behavior or lifestyle, an environmental exposure, or an inborn or inherited characteristic that is associated with an increased occurance of disease or other health-related event or condition