Microbiology Basics: The Chain of Infection, and Where to Break It
A person with the flu coughs into their hand, opens a door, and ten minutes later somebody else comes through that door and rubs their eye.
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Microbiology Basics: The Chain of Infection, and Where to Break It
Use this episode as a focused review of the infection-control side of the Microbiology Basics material — the chain of infection. It names the six links in order: infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. It then slows down on the two links students most often drop, the reservoir and the susceptible host, and finishes by matching each infection-control measure to the link it breaks: hand hygiene, cleaning, disinfection and sterilization, protective equipment, vaccination, and antibiotics, followed by the routine practices and additional precautions used in Canadian health care. A retrieval round closes the episode, covering the chain in order and which precaution fits which route.
Source material: the assigned readings for this unit, together with the Public Health Agency of Canada's Routine Practices and Additional Precautions for Preventing the Transmission of Infection in Healthcare Settings, Nursing Fundamentals 2e Chapter 9, and Microbiology: Canadian Edition on modes of disease transmission.
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