Fighting Disease with Disease

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Across
  1. 3. a way of doing things
  2. 5. spread to everyone COVID
  3. 9. online for medical information
  4. 10. such as bacteria, viruses
  5. 11. system immunity protects
Down
  1. 1. A way to help patient
  2. 2. helps to prevent someone from disease
  3. 4. between 1700-1799 18th
  4. 6. of the symptoms of a disease
  5. 7. brother was born 2004 s
  6. 8. most of the people sick