Principles of Disease and Epidemiology

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Across
  1. 4. The number of people in a population who develop a disease during a specific time.
  2. 9. A disease that occurs only occasionally.
  3. 11. A disease that is constantly present in a population.
  4. 12. A disease that develops slowly but lasts for a long time.
  5. 15. The total number of people who have a disease at a specific time.
  6. 16. A localized infection that spreads to a specific area before becoming systemic.
  7. 17. Nonliving sources such as soil and water that can harbor infectious organisms.
  8. 19. A person or object from which a host can acquire an infection.
  9. 21. An abnormal state in which the body is not functioning normally.
Down
  1. 1. A disease that occurs worldwide and affects a large number of people.
  2. 2. The spread of infection throughout the body via blood or lymph.
  3. 3. A disease that is easily spread from one host to another.
  4. 5. A disease that spreads rapidly and affects many individuals at once.
  5. 6. An infection that does not cause any noticeable illness.
  6. 7. The method by which a pathogen is transferred from one host to
  7. 8. The stage when signs and symptoms are most severe.
  8. 10. A disease that appears for a short time and then disappears.
  9. 11. The science that studies when and where diseases occur and how they are transmitted.
  10. 13. The natural habitat of a pathogen where it lives and reproduces.
  11. 14. The ability of a microorganism to cause disease.
  12. 18. The term that refers to the cause or origin of a disease.
  13. 20. A human who harbors a pathogen without signs of disease but can still spread it.