Chain of Infection
What is the first link in the chain of infection?
infectious agent
What does PPE stand for?
personal protective equipment
Who was Typhoid Mary (her name) and what did she spread?
Mary Mallon and Typhoid Fever
What is a microbe or microorganism?
a microscopic living organism, too small to see with the naked eye
What term describes the first person to be infected in an outbreak?
patient zero
What link refers to the place where germs live?
Reservoir
List the correct oreer of donning PPE
gown, mask, googles/shield, gloves
What made Typhoid Mary's case significant in public health history?
She had no sx's (asymptomatic carrier)
What is a nosocomial infection?
an infection acquired when in a hospital being treated
What is a fomite?
an object that carries an infectious agent
What is the portal of ext?
The way germs leave the body
List the correct order of doffing PPE
gloves, gown, goggles/shield, mask
In the movie Contagion, what agency leade the global response to the pandemic?
CDC and/or WHO
What is the difference between a pathogenic an nonpathogenic microbe?
one causes disease and the other does not
what does pandemic mean?
world wide disease outbreak
Which link is broken when healthcare workers wear gloves and practice hand hygiene?
mode of transmission
name the types of transmission precautions
contact, airborne, droplet
What is the "r-naught" value used to measure?
how many people 1 infection person can spread the disease to
What does MRSA (a super bug) stand for?
methicillian resistant staphlococcus aureus
Why is identifying patient zero important?
helps determine where the disease originated and maybe how to stop it
Give one example of how to break the chain of infection for: agent or reservoir or host
infection-antibiotics
reservoir-sanitation
host-vaccinations
standard: all patients
transmisison: specific diseases
Contagion and Typhoid Mary's case hight this public health challenge.
The difficulty of controlling disease from carriers and maintaining public compliance.
Why are wet hands more dangerous than dry hands in infection control?
Wet hands spread 1000 times more germs than dry hands.
List two ways to prevent viral outbreaks in a community?
hand hygiene, vaccination, quarantine, mask, public education, social distancing.