Fighting Disease with Disease

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Across
  1. 1. good virus that protect you from diseases
  2. 4. when big area get sick
  3. 5. when virus or bacteria invides body and you get sick
  4. 8. make heath problems go away
  5. 9. a period of 100 years
  6. 10. something that not true
Down
  1. 2. something that challenges you
  2. 3. bed bacteria that make you sick
  3. 5. system things in your body which protect you from disease
  4. 6. a long period of history
  5. 7. a plan