Chain of Infection

A process that begins when an agent leaves its reservoir or host through a portal of exit, and is conveyed by some mode of transmission, then enters through an appropriate portal of entry to infect a susceptible host
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Guinea authorities said that one of the cases, in Forecariah, appeared to be linked to a previously known chain of infection, while the other in the capital Conakry appeared to be new.
Recognizing flu's symptoms early is an important step in breaking the chain of infection which causes flu viruses to spread.
But a person needs to follow certain instructions so that the chain of infection is cut and the virus doesn't affect others who can be vulnerable," Dr Hemant Thacker, physician at Breach Candy Hospital, told Gulf News.
While it might be crucial to wash and disinfect toys under certain conditions, the importance of routine hand-washing in the interruption of a chain of infection and as a cornerstone of infection control cannot be over-estimated, and should be promoted among both adults in children in domestic and healthcare settings.
In order to contain EVD, which is prevailing in Western Africa, and to prevent a wide-scale outbreak of the disease, it is important to identify EVD patients at an early stage and implement initial response measures to break the chain of infection, and optimize use of vaccines and drugs.
Today our response is all about working to improve the quality and quantity of health care facilities which treat infected people and stopping the chain of infection by creating hygienic communities who understand how they act to minimise and eradicate onwards infection.
One particular mutation appeared in 50 patients, suggesting those people shared a chain of infection.
However, despite the complexity of enriching a biological agent consisting of Ebola strains outside the supervisory purview of nation States, the possibility of an Ebola host volunteering as a suicide agent to create havoc by way of initiating a chain of infection cannot be ruled out altogether.
21-23) Once a HCW has been contaminated, unless the chain of infection is broken by hand hygiene and/or disinfection of the device/surface, subsequent exposure of the contaminated person(s), surfaces/devices results in colonization of additional individuals and/or devices/surfaces spreading the organism and increasing the risk of developing a HAI.
Everyone can change their behaviour and help to break the chain of infection.
The chain of infection illustrated in Figure 2 suggests that further human-to-human-to-human transmission might have occurred and suggests nosocomial transmission.
Furthermore, in order to do risk assessment and implement IPC measures one needs to have an understanding of the chain of infection (Fig.