Epidemiology intro

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Across
  1. 3. observation of clinical signs
  2. 4. researchers had control of variables
  3. 7. Disease that is regularly present
  4. 8. Epidemic at worldwide scale
  5. 10. Pathogen is shed
  6. 12. groups were compared
  7. 13. forward timeline
  8. 14. researchers had no control of variables
  9. 15. Number of animal effected / population at risk
  10. 17. pathogen replicates but no clinical signs observed
  11. 18. ongoing systematic collection, analysis, and interpretation of health data
  12. 19. excessive occurrence of disease
Down
  1. 1. Pathogen replicates but is not shed
  2. 2. Susceptible Infected Recovered
  3. 5. backward timeline
  4. 6. data presented, no comparison
  5. 9. noninfectious health condition that cannot be spread from person to person
  6. 11. individuals observed once
  7. 16. individuals observed at more than one point in time