Ivyy

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Across
  1. 5. an injection that produces mild form of a disease in order in order to help to build up an immunity to it
  2. 8. to recover health and strength after illness
Down
  1. 1. the rapid spread of disease to many people
  2. 2. who examines eyes
  3. 3. the rules of health
  4. 4. a children's doctor
  5. 6. a dentist who helps your teeth be straight
  6. 7. the branch of medicine dealing with the treatment of the insides