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Chain of Infection

TermDefinition
Two important things for the healthcare professionals to understand about infection 1. Various ways to transmit infection 2. Ways to infect chain can be broken
Chain of Infection All six factors need to be present for infection to occur
How many links of infection are there? 6
Infectious Agent Any disease causing microorganisms Ex. Rhino virus
Reservoir Host Where the pathogen lives when it enters your body
Portal of Exit How the pathogen escapes your body Ex. Blood exposure or breaks in skin
Route of Transmission Method by which the pathogens gets from the reservoir to the new host Ex. Direct contact or air
Carrier Host Host that do not show any signs of infection but are still transmittable
Portal of Entry The route of which the pathogen enters its new host Ex. inhalation or ingestion
Susceptible Host the organism that accepts the pathogen
How to interrupt the Chain of Infection The essential part of patient care and self protection
How to interrupt: Infectious Agent Identification of infection and appropriate treatment
How to interrupt: Reservoir Asepsis and hygiene
How to interrupt: Control of Portal to Exit Healthcare personal must practice standard precautions
How to interrupt: Prevent of Transmission Proper hand washing
How to interrupt: Protect Portal of Entry Healthcare workers must make sure parts of entry sure not subjected to pathogens
How to interrupt: Recognition of Susceptible Host Health professionals must recognize and protect high-risk patients
Created by: Jordannoellee_
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