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  • Created by: Holly
  • Created on: 04-10-12 19:48


  • A Pathogen is a disease causing organism. An infectious disease resulting from infection of a host organism by a pathogen, a disease causing organism.
  • Pathogens enter the body through any opening and can be transmitted in many different ways.
  • Pathogens can be Fungi, Bacteria or Virus. Virus measuring the smallest at 20-250nm, then Bacteria at 0.5-20 micrometres and Fungi the biggest at between 10-100 micrometres.

A Pathogen has to...

  • Gain entry to the


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