Infectious Diseases

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Across
  1. 5. Cannot survive without a host
  2. 7. A pathogen's ability to damage a host
  3. 9. Number of people infected in a population
  4. 13. Disease that belongs to a particular group of people or country
  5. 15. "Killer Cells" that kill infected cells
  6. 16. How germs get around/spread
  7. 18. The person who made this crossword
  8. 19. Where germs live
  9. 20. An epidemic that has spread to multiple countries or all around the world
Down
  1. 1. Disease transmitted to humans from animals
  2. 2. Fights off bacteria, viruses and cancers
  3. 3. Estimated number of newly infected people in an area
  4. 4. Refers to the action of structures/substances that are naturally present
  5. 6. How your body reacts to an agent
  6. 8. Treatment, usually by needle, to give immunity to a particular disease
  7. 10. Study of diseases
  8. 11. Single-cell organisms that can survive on their own
  9. 12. Mosquitoes are a type of this
  10. 14. Germs such as bacteria and viruses
  11. 17. Also called acquired immunity; occurs with exposure to a specific antigen