Process of Infection

  • Created by: Mbell82
  • Created on: 19-03-23 13:26
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  • Process of Infection
    • 1.Colonization
      • Transmitted via direct contact
        • Vectors,bites/stings
          • Indirect Exposure ie, faecal oral transmission through food/water.
    • 2.Invasion
      • Infectious agent invades surrounding tissues/other sites
        • Developed mechanisms to penetrate tissues & avoid host’s nonspecific and specific defences.
    • 3.Multiplication
      • Warm,  nutrient filled host environment
    • 4.Spread
      • Produce localized  infections without spread to other regions of the body.
        • If host has  intact immune system- microorganisms remains localized. Or if immune system/ inflammatory system compromise - infection may spread rapidly.


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