The chain of components has six sections. They include:

As caregivers, it is the NA’s responsibility to protect susceptible patients by breaking the chain of infection. After a susceptible host becomes infected, they become a reservoir that can then …

Aug 18, 2025 · The “chain of infection” is a fundamental concept explaining how infectious diseases spread. It describes a series of interconnected steps that must all be present for an …

Nov 25, 2025 · Understanding this process is fundamental for developing effective strategies to prevent the spread of illness, as interrupting the cycle at any point halts transmission. The …

You now understand the chain of infection You can describe each link in the chain of infection And recognize how to break each link using core infection practices

The chain of infection model describes each step in the transmission process, as well as those components of the epidemiological triangle (agent, host, environment).

More specifically, transmission occurs when the agent leaves its reservoir or host through a portal of exit, is conveyed by some mode of transmission, and enters through an appropriate portal …

Aug 2, 2025 · The chain of infection models how infectious diseases spread from one individual or environment to another. It illustrates the specific sequence of events required for transmission.

Dec 22, 2024 · It is important to understand the chain of infection in health and social care settings. Below, we detail each component of the chain of infection: 1. Infectious Agent. The …

An infection occurs when harmful germs (microorganisms) enter the body, multiply and cause disease. The chain of infection refers to how germs spread (Figure 1.1).