health crossword

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Across
  1. 2. immunity you were exposed to
  2. 3. where an infectious agent lives
  3. 5. a widespread of diseases
  4. 8. the study of infections
  5. 9. the direct transfer of bacteria
  6. 10. # of people with the disease
  7. 12. unicellular organisms
  8. 15. white blood cells
  9. 16. is how it infects the host
  10. 18. immunity you were born with
  11. 19. infection-fighting blood cells
  12. 20. melindas bestfriend
Down
  1. 1. helps fight infection
  2. 4. spreads between animals and people
  3. 6. # of new cases of the disease
  4. 7. begins to fight infection
  5. 11. disease outbreak
  6. 13. cause of infection/disease
  7. 14. living thing that transmits a disease
  8. 17. infectious microbe containing nucleic acid