Across
- 2. Basic epidemiological model consisting of host,agent and environment
- 4. Probability that a test correctly identifies disease free individuals
- 5. An epidemic usually affecting a large proportion of the population, occurring over a wide geographic area such as a nation,continent or the world
- 8. The occurrence in a community or region of cases of an illness or other health related events clearly in excess of normal expectancy
- 9. the number of new cases of a specific disease occurring in a defined population during a specified period of time.
- 10. Ratio of incidence in exposed to non-exposed group
- 12. Study that follows exposed and non-exposed groups forward
- 13. Error arising due to systemic deviation from true value
Down
- 1. Constant presence of a disease or infectious agent within a geographic area or population without importation from outside
- 3. The term used to indicate all the current cases existing in a given population at a given point in time, or over a period of time
- 6. Study of distribution and determinants of disease in populations
- 7. the time distribution of epidemic cases can be represented as?
- 11. Effect of extraneous variable that distorts exposure-disease relationship