Know the Links
This is the microorganism that causes an infection.
What is the infectious agent?
A contaminated doorknob transfers germs to someone's hands. The doorknob is acting as this link.
What is the mode of transmission?
Cleaning and disinfecting environmental surfaces can help break the chain at this point.
What is the reservoir?
Respiratory secretions, blood, stool, urine, and wound drainage can all serve as examples of this link in the Chain of Infection.
What is portal of exit.
A person inhales infectious respiratory particles and becomes exposed through their nose and mouth. These are examples of this link.
What are portals of entry?
Wearing appropriate respiratory protection can help prevent microorganisms from entering this.
What is the portal of entry?
This is where an infectious agent normally lives and grows.
What is the reservoir?
An unvaccinated person with no previous immunity is exposed to measles. This person represents which link?
What is the susceptible host?
Vaccination can help break the Chain of Infection by reducing the number of people vulnerable to infection. Which link does this target?
What is the susceptible host?