Chain of Infection


Genieieiop / CC BY-SA

The chain of infection is a term that describes the way that microorganisms are passed from person to person. This blog post will outline the Chain of infection, and some of the factors that affect how it spreads through our daily interactions. 


Chain of Infection
  1. Infectious Agents
  2. Reservoirs
  3. Portals of Exit
  4. Modes of Transmission
  5. Portals of Entry
  6. Susceptible Host

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