12.4 Preventing and Controlling Disease

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Across
  1. 5. a process used by health officials to trace a disease back to its original infection
  2. 7. cook
  3. 10. a bacterium, virus, or other microorganism that can cause disease
  4. 13. a drug or other preparation for the treatment or prevention of disease
  5. 14. a toxin or other foreign substance which induces an immune response in the body
  6. 16. a complex network of organs, cells and proteins that defends the body against infection
  7. 18. a substance used to stimulate immunity to a particular infectious disease or pathogen
  8. 20. a state, period, or place of isolation
Down
  1. 1. procedures or measures designed to protect the population against harmful biological or biochemical substances
  2. 2. disease not spread by contact
  3. 3. disease spread from one person or organism to another, typically by direct contact
  4. 4. having been made impure
  5. 6. To acquire by contagion or infection
  6. 8. a sudden occurrence of unwelcome disease
  7. 9. 4 sides
  8. 11. conditions or practices conducive to maintaining health and preventing disease
  9. 12. DNA molecule that is used as a vehicle to carry a particular DNA segment into a host cell
  10. 15. a central or focal point
  11. 17. cause something to pass on from one person to another
  12. 19. to keep from happening