Key Words

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Across
  1. 2. very tiny germ
  2. 4. cell that is bigger than a virus
  3. 7. can be spread
  4. 9. local not spread in many areas
  5. 10. occurs in a small area
Down
  1. 1. cannot be spread
  2. 3. spread in a large area
  3. 5. occurs after an outbreak
  4. 6. The only thing viruses can attach to
  5. 8. an organism causing harm to the host