Herd Immunity Crossword

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Across
  1. 3. _______ immunity is also known as antibody-mediated immunity
  2. 4. severity of disease
  3. 7. the _______ immune system "remembers" pathogens so we get less sick in the future
  4. 8. disease that was eliminated by herd immunity
  5. 9. artificially induces the immune response
  6. 12. causes disease
  7. 13. can indicate possible disease
  8. 14. rare pathogen consisting of infectious protein
Down
  1. 1. treats disease
  2. 2. white blood cell
  3. 3. ____ immunity protects entire populations from infection
  4. 5. the _____ immune system is the first line of defense against pathogens
  5. 6. non-living and prone to mutation
  6. 10. chemical messenger of the immune system
  7. 11. an antibody binds to this