Contagion, part 2

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Across
  1. 1. An action taken to stop something harmful from happening
  2. 4. Small, living things that can only be seen with a microscope
  3. 8. Actions that stop something from happening
  4. 9. To try to convince someone to do something
  5. 12. To try to find out facts to learn more about something
  6. 13. To try to cure an illness using medication
  7. 14. To say that you will not do something that someone asks
  8. 15. To make naturally
Down
  1. 2. Officially recognized as being acceptable
  2. 3. Small, living things that can cause illness
  3. 5. Tools used to complete a special job
  4. 6. To hide something using something else
  5. 7. To look carefully at something in order to learn more about it
  6. 10. Easy to notice
  7. 11. Things the body makes to fight disease