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The chain of Infection
there are six links that represent the process of infection
What happens is one link of the chain is removed
if one of the links in the chain is removed then the spread of infection can be prevented.
The six links of the chain includes
causative agent
reservoir of the agent
portal of exit
mode of transmission
portal of entry
susceptible host
Causative Agent description
the microorganism that causes infection or disease
infection agents capable of producing diseases includes
protozoa
fungi
bacteria
virus
Reservoir of the Agent description
where microbes live and reproduce.
Main sources for reservoirs icludes
human
animal
non-living
Portal of Exit description
using a gateway to get out from the reservoir
Mode of Transmission description
how the causative agent moves from one reservoir to another
List four principle transmission routes and example of each
contact
airborne
vehicle
vector
Portal of Entry description
finding the gateway to get in.
Susceptible Host description
a person who is vulnerable and may be infection by a causative agent
A carrier is defined as a
person that had the pathogenic organism in them but it doe snot affect the person because the pathogenic organism is not active.
a perosn harbouring pathogenic organism but with no signs of infectio is called
carrier
dieasea that primarily found in animas but may be transmitted to humans are called
zoonose
a zoonose is defined as
The pathogenic organism were frist find in animals but afterward it was transmitted to huamans
Non-living Reservoirs such as
soil and water
Two notable exception are
botulism
tetanus
Botulism is
a type of food prisoning
for the diease to happened spore must grow in food then produce a toxin
Tetanus only results when spores are introduced into human tissue under conditions where ther is little or no oxygen present
Tetanus only results when spores are introduced into human tissue under conditions where ther is little or no oxygen present
Bacteria likes what kind of environments
moist environements
what does non-living reservouris mean to a healthcare facilitites?
it one of the concerns that healthcare workers had
Non-Living resevoirs in hospital
leaking drainpipes
wet equipement
therapy pool
sink
contamined drugs
toys
diapers
Author
Anonymous
ID
307891
Card Set
Infection Control
Description
Module 3: INFC 206
Updated
9/16/2015, 1:41:40 AM
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