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how do they spread and cause disease? In order for an infectious agent to successfully spread from one host to another, several conditions must be met. This is referred to as the chain of infection. If this ‘chain’ is broken at any stage, the infection cannot spread and becomes contained.
The chain of infection, also referred to as the chain of transmission, describes how an infection spreads based on these six links of transmission: Infectious Agent; Reservoirs; Portal of Exit; Modes of Transmission; Portal of Entry; Susceptible Host; See Figure 4.1 [1] for an illustration of the chain of infection. If any “link” in the ...
CHAIN OF INFECTION OBJECTIVES Understand the chain of infection Be able to describe each link in the chain of infection Recognize how to break each link using core infection practices
Break the Chain of Infection Learn how healthcare professionals can break the chain of infection: www.apic.org/professionals © 2016 APIC
Certain conditions must be met in order for a microbe or infectious disease to be spread from person to person. This process, called the chain of infection, can only occur when all six links in the chain are intact. By breaking this chain at any of the links, the spread of infection is stopped. • Disease Microorganisms (Agent).
This is a free printable worksheet in PDF format and holds a printable version of the quiz Chain of Infection Diagram-PTMA. By printing out this quiz and taking it with pen and paper creates for a good variation to only playing it online.
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