Microorganisms and disease

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Across
  1. 2. Alexander ... discovered penicillin
  2. 4. Medicine which treats bacterial infections
  3. 5. The saviour of mothers
  4. 6. A disease causing microorganism
  5. 8. Commonly used painkiller
  6. 11. Pathogen which can only reproduce inside an host cell
  7. 12. An disease outbreak within a localised population
Down
  1. 1. Method of entry for colds and flu
  2. 3. Method of infection for impetigo
  3. 7. Single celled organism - can be grown on agar plates
  4. 8. Worldwide disease outbreak
  5. 9. Antibodies bind to these
  6. 10. Microorganism which causes ringworm