Which of the following describes the chain of infection?

The chain of infection is a comprehensive model that outlines how infectious diseases are transmitted from one host to another. It consists of several interconnected elements including the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. Recognizing and understanding this chain is crucial for infection control because breaking any link in this chain can prevent the spread of infection.

In this context, the description of how an infectious disease spreads directly correlates to the components of the chain of infection. By studying this chain, healthcare professionals can implement strategies to interrupt transmission routes, safeguard public health, and improve patient safety. The focus on how infections propagate highlights the importance of awareness and control measures in healthcare settings.