Disease

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Across
  1. 2. tiny particles that cause disease in people, animals and plants.
  2. 3. microorganism that causes, or can cause, disease.
  3. 5. likely to spread or transmitted to other people, animals.
  4. 7. The invasion of microorganisms such as bacteria, viruses, and parasites
  5. 9. a physical or mental sign which indicates the sign of a disease.
  6. 10. administering a sterile liquid form of medication into the body
Down
  1. 1. Illness or sickness characterised by specific signs or symptoms.
  2. 2. Provides immunity against one or several diseases.
  3. 4. Any substance that causes the body to make an immune response against that substance
  4. 6. to corrupt, or infect by contact or association
  5. 8. resistant to a particular infection
  6. 11. a mass of cytoplasm that is bound externally by a cell membrane