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Chain of Infection | Definition, Order & Transmission

What is a chain of infection? Learn the definition, order, and cycle of the chain of infection. Also, see the different elements and the diagram of this chain.

Chain of Infection's Order

How many elements are there in the chain of infection? There are six elements in the chain of infection. These include the following components:

  • Infectious agent
  • Reservoir
  • Port of exit
  • Method of transmission
  • Port of entry
  • Susceptible host

How to Break the Chain of Infection

There are various ways to break the chain of infection and stop the spread of disease. Washing hands, wearing masks, using condoms, quarantine, cleanliness, and staying home when sick are some ways to stop infections from spreading.