Vaccines

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Across
  1. 2. disease
  2. 5. inoculations
  3. 7. vulnerable
  4. 8. circulation
  5. 10. transmission
  6. 11. neutralizer
Down
  1. 1. virus
  2. 3. immunesystem
  3. 4. vaccines
  4. 6. restriction
  5. 9. antitoxin