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The Chain of Infection

The Chain of Infection. As healthcare professionals, it is important to understand two things about infection :. How infection can be transmitted. 2. How to break the infection chain. There are six links in the chain of infection :. The Chain of Infection. 1st - The Infectious Agent.

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The Chain of Infection

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  1. The Chain of Infection

  2. As healthcare professionals, it is important tounderstand two things about infection:

  3. How infection can be transmitted 2. How to break the infection chain

  4. There are six links in the chain of infection :

  5. The Chain of Infection

  6. 1st - The Infectious Agent Pathogen bacteria virus fungus

  7. 2nd - The Reservoir Host Where the microbe lives and grows. People animals Water food

  8. 3rd - The Portal of Exit -Where the microbe leaves (exits) the host

  9. Respiratory System exhalation Mouth Nose

  10. Gastrointestinal System

  11. Urinary & Reproductive Tracts Sexual contact

  12. Skin Barrier/Blood Non-intact skin

  13. 4th - The Route of Transmission How do I get to Mr. Smith’s lungs? -HOW the pathogen gets from the reservoir host to the new host Flu virus

  14. 3 Main Methods or Routes of transmission in health care facilities: 2. Direct Contact 1. AIR 3. Indirect Contact

  15. 5th- Portal of Entry The Portal of Entry is how the pathogen enters the host’s body. Usually the same as the Portal of Exit.

  16. 6th - TheSusceptible Host -the person that the pathogen enters A susceptible person is someone at higher risk for developing an infection

  17. Susceptible Hosts • The elderly • People with low immune systems, • Health care workers • Infants

  18. What are ways can you think of to prevent the transmission of germs?

  19. Power Point adapted from: www.cte.unt.edu/health/curriculum/Chain_of_Infection.ppt Some images from Google Images

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