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       #Post#: 4763--------------------------------------------------
       Introduction to Epidemiology  Section 10: Chain of Infection For
        Doctors, Nurses, Receptionists, & Patients To Read 
       By: Masked Man Date: January 8, 2026, 4:45 am
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       Introduction to Epidemiology  Section 10: Chain of Infection
       SUMMARY:
       Just an excerpt or section of a Study about the theory of 'the
       chain of infection'...
       As described above, the traditional epidemiologic triad model
       holds that infectious diseases result from the interaction of
       agent, host, and environment. More specifically, transmission
       occurs when the agent leaves its reservoir or host through a
       portal of exit, is conveyed by some mode of transmission, and
       enters through an appropriate portal of entry to infect a
       susceptible host. This sequence is sometimes called the chain of
       infection...
       LINK:
  HTML https://archive.cdc.gov/www_cdc_gov/csels/dsepd/ss1978/lesson1/section10.html
       ..That was just an excerpt..
       SUMMARY:
       For All the Major Sections of this study 'Introduction to
       Epidemiology' go here and the links to all the Major Sections
       are at bottom of page..
       LINK:
  HTML https://archive.cdc.gov/www_cdc_gov/csels/dsepd/ss1978/lesson1/index.html
       P.S.
       It says: "This page is archived for historical purposes and is
       no longer being updated.
       This is archived content from the CDC website. The information
       here may be outdated and links may no longer function"...
       ... however I am having no problems with the links and find as a
       layperson that this is a fairly 'easy to read' outlined
       introduction to a general explanation of Epidemiology.
       PRAGMATIC COMMENT:
       I can't say this is my mere opinion because it is based on a
       basic knowledge of Epidemiology..so if my understanding of the
       rudiments of Epidemiology is correct, then I confer if doctors
       and nurses and people in healthcare actually read about this
       traditional epidemiologic triad model, that they would agree to
       wear masks and take  precautions with patient interaction in
       their facilities. Seems intelligent for those in the medical
       field to understand this interaction that occurs to and fro from
       agent, host, and environment so that those concerned can be
       pragmatical about it and not inadvertently host, become agent,
       or contaminate the environment with the infectious illness
       themselves.
       Having had aquainted myself with the basics of Epidemiology  and
       the Chain of Infection, I would think of applying it to the real
       world  and I would make sure my healthcare facilities were all
       were using precautions and taking measures such as masking to
       filter out infectious microbes, sanitation and hygienic measures
       such as employing the use of antiseptics to kill surface germs
       and even air purifying of rooms with apparatuses that create
       proper ventilation that push old air out while pulling fresh air
       in. All the aforementioned precautions together would be
       necessary in countering and blocking the interaction of
       pathogens that occurs to and fro from agent, host, and
       environment.
       After reading the basics of Epidemiology and the Chain of
       Infection I don't see how anybody can argue against masking in
       health care areas... that's for sure. You'd have to mask around
       your patients and have your patients mask too after reading
       that!
       As a doctor, Nurse, patient,Visitor, guest, receptionist,
       deliveryman, sales rep, or a passerthru in a Healthcare area,
       you don't want to be in the chain of infection so You'd mask for
       the "Airborne Droplets " you'd wash your hands just incase you
       had "direct contact"  in front of patients, and likely wear
       gloves to avoid further "direct contact" Because you don't want
       to be a Vector and transmit "Vectorborne (mechanical or
       biologic) infections"! Seems reasonable to me that anybody with
       even an inkling of understanding about basic Epidemiology would
       agree to wear a mask to help prevent the spread of airborne
       illnesses and airborne diseases in a healthcare "environment".
       Haven't been in the chain of infection since pandemic began in
       2020, Ive been masking and not even a cold, Been neither vector
       nor victim,
       The Masked Man
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