Learn how breaking the chain of infection prevents disease spread, protects individuals, and ensures safe, high-quality care in health and social care settings. Isolation Precautions: When caring for patients with known or suspected infections, nurses should follow appropriate isolation precautions, such as contact, droplet, or airborne precautions. No matter the germ, there are six points at which the chain can be broken and a germ can be stopped from infecting another person. The six links include: the infectious agent, reservoir, portal of exit, mode of transmission, portal of entry, and susceptible host. According to the Centers for Disease Control and Prevention (CDC), standard precautions include the following [2]: The easiest and most effective way to break the chain of infection is by using proper hand hygiene at appropriate times during patient care. This article explores the chain of infection, stages of infection, and transmission-based precautions in detail, integrating practical knowledge with evidence-based strategies useful for both students and healthcare professionals. Standard Precautions are used for all patient care. They're based on a risk assessment and make use of common sense practices and personal protective equipment use that protect healthcare providers from infection and prevent the spread of infection from patient to patient. Scientists have developed a model known as the “chain of infection” to illustrate the steps involved in disease transmission. This model helps visualize where interventions can be made to stop an infection from taking hold. A cyclic process known as the chain of infection describes the transmission of an infection. By implementing interventions to break one or more links in the chain of infection, the spread of infection can be stopped. Infection control explained: break the chain of infection with standard and transmission-based precautions, hand hygiene, PPE, and decontamination best practices. This document concisely describes a core set of infection prevention and control practices that are required in all healthcare settings, regardless of the type of healthcare provided.